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Finding the Fourth Proportional to 374,306.52, 560,929.02 and 289,672.71

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Solution

The fourth proportional to 374,306.52, 560,929.02 and 289,672.71 is: 434,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,306.52 : 560,929.02 = 289,672.71 : x
  2. Step 2: Convert to fraction form
    374,306.52/560,929.02 = 289,672.71/x
  3. Step 3: Cross multiply
    374,306.52x = 560,929.02 × 289,672.71
  4. Step 4: Simplify right side
    374,306.52x = 162,485,828,595.40
  5. Step 5: Solve for x
    x = 162,485,828,595.40/374,306.52
  6. Step 6: Final answer
    x = 434,098.31

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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.