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Finding the Fourth Proportional to 453,666.27, 626,061.69 and 249,737.61

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Solution

The fourth proportional to 453,666.27, 626,061.69 and 249,737.61 is: 344,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,666.27 : 626,061.69 = 249,737.61 : x
  2. Step 2: Convert to fraction form
    453,666.27/626,061.69 = 249,737.61/x
  3. Step 3: Cross multiply
    453,666.27x = 626,061.69 × 249,737.61
  4. Step 4: Simplify right side
    453,666.27x = 156,351,150,173.16
  5. Step 5: Solve for x
    x = 156,351,150,173.16/453,666.27
  6. Step 6: Final answer
    x = 344,639.13

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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.