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Finding the Fourth Proportional to 607,500.10, 911,250.15 and 186,721.30

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Solution

The fourth proportional to 607,500.10, 911,250.15 and 186,721.30 is: 280,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,500.10 : 911,250.15 = 186,721.30 : x
  2. Step 2: Convert to fraction form
    607,500.10/911,250.15 = 186,721.30/x
  3. Step 3: Cross multiply
    607,500.10x = 911,250.15 × 186,721.30
  4. Step 4: Simplify right side
    607,500.10x = 170,149,812,633.20
  5. Step 5: Solve for x
    x = 170,149,812,633.20/607,500.10
  6. Step 6: Final answer
    x = 280,081.95

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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.