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Finding the Fourth Proportional to 569,848.20, 854,849.10 and 195,985.80

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Solution

The fourth proportional to 569,848.20, 854,849.10 and 195,985.80 is: 294,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,848.20 : 854,849.10 = 195,985.80 : x
  2. Step 2: Convert to fraction form
    569,848.20/854,849.10 = 195,985.80/x
  3. Step 3: Cross multiply
    569,848.20x = 854,849.10 × 195,985.80
  4. Step 4: Simplify right side
    569,848.20x = 167,538,284,742.78
  5. Step 5: Solve for x
    x = 167,538,284,742.78/569,848.20
  6. Step 6: Final answer
    x = 294,005.11

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Half scale
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Double scale
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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.