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Finding the Fourth Proportional to 514,528.18, 710,295.69 and 361,697.38

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Solution

The fourth proportional to 514,528.18, 710,295.69 and 361,697.38 is: 499,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,528.18 : 710,295.69 = 361,697.38 : x
  2. Step 2: Convert to fraction form
    514,528.18/710,295.69 = 361,697.38/x
  3. Step 3: Cross multiply
    514,528.18x = 710,295.69 × 361,697.38
  4. Step 4: Simplify right side
    514,528.18x = 256,912,090,098.29
  5. Step 5: Solve for x
    x = 256,912,090,098.29/514,528.18
  6. Step 6: Final answer
    x = 499,315.88

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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.