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Finding the Fourth Proportional to 373,609.71, 514,979.10 and 252,706.88

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Solution

The fourth proportional to 373,609.71, 514,979.10 and 252,706.88 is: 348,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,609.71 : 514,979.10 = 252,706.88 : x
  2. Step 2: Convert to fraction form
    373,609.71/514,979.10 = 252,706.88/x
  3. Step 3: Cross multiply
    373,609.71x = 514,979.10 × 252,706.88
  4. Step 4: Simplify right side
    373,609.71x = 130,138,762,913.66
  5. Step 5: Solve for x
    x = 130,138,762,913.66/373,609.71
  6. Step 6: Final answer
    x = 348,328.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.