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Finding the Fourth Proportional to 569,923.60, 854,885.40 and 543,679.60

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Solution

The fourth proportional to 569,923.60, 854,885.40 and 543,679.60 is: 815,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,923.60 : 854,885.40 = 543,679.60 : x
  2. Step 2: Convert to fraction form
    569,923.60/854,885.40 = 543,679.60/x
  3. Step 3: Cross multiply
    569,923.60x = 854,885.40 × 543,679.60
  4. Step 4: Simplify right side
    569,923.60x = 464,783,752,317.84
  5. Step 5: Solve for x
    x = 464,783,752,317.84/569,923.60
  6. Step 6: Final answer
    x = 815,519.40

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Half scale
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Double scale
Find fourth proportional to 569,924.60, 854,886.90 and 543,680.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.