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Finding the Fourth Proportional to 587,280.10, 880,920.15 and 492,801.70

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Solution

The fourth proportional to 587,280.10, 880,920.15 and 492,801.70 is: 739,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,280.10 : 880,920.15 = 492,801.70 : x
  2. Step 2: Convert to fraction form
    587,280.10/880,920.15 = 492,801.70/x
  3. Step 3: Cross multiply
    587,280.10x = 880,920.15 × 492,801.70
  4. Step 4: Simplify right side
    587,280.10x = 434,118,947,484.26
  5. Step 5: Solve for x
    x = 434,118,947,484.26/587,280.10
  6. Step 6: Final answer
    x = 739,202.55

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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.