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Finding the Fourth Proportional to 316,327.52, 474,496.77 and 116,545.07

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Solution

The fourth proportional to 316,327.52, 474,496.77 and 116,545.07 is: 174,819.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,327.52 : 474,496.77 = 116,545.07 : x
  2. Step 2: Convert to fraction form
    316,327.52/474,496.77 = 116,545.07/x
  3. Step 3: Cross multiply
    316,327.52x = 474,496.77 × 116,545.07
  4. Step 4: Simplify right side
    316,327.52x = 55,300,256,901.94
  5. Step 5: Solve for x
    x = 55,300,256,901.94/316,327.52
  6. Step 6: Final answer
    x = 174,819.62

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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.