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Finding the Fourth Proportional to 587,235.60, 880,853.40 and 539,996.40

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Solution

The fourth proportional to 587,235.60, 880,853.40 and 539,996.40 is: 809,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,235.60 : 880,853.40 = 539,996.40 : x
  2. Step 2: Convert to fraction form
    587,235.60/880,853.40 = 539,996.40/x
  3. Step 3: Cross multiply
    587,235.60x = 880,853.40 × 539,996.40
  4. Step 4: Simplify right side
    587,235.60x = 475,657,664,927.76
  5. Step 5: Solve for x
    x = 475,657,664,927.76/587,235.60
  6. Step 6: Final answer
    x = 809,994.60

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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.