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Finding the Fourth Proportional to 377,011.92, 519,890.72 and 249,641.04

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Solution

The fourth proportional to 377,011.92, 519,890.72 and 249,641.04 is: 344,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,011.92 : 519,890.72 = 249,641.04 : x
  2. Step 2: Convert to fraction form
    377,011.92/519,890.72 = 249,641.04/x
  3. Step 3: Cross multiply
    377,011.92x = 519,890.72 × 249,641.04
  4. Step 4: Simplify right side
    377,011.92x = 129,786,060,027.15
  5. Step 5: Solve for x
    x = 129,786,060,027.15/377,011.92
  6. Step 6: Final answer
    x = 344,249.22

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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.