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Finding the Fourth Proportional to 356,490.32, 534,854.61 and 116,615.16

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Solution

The fourth proportional to 356,490.32, 534,854.61 and 116,615.16 is: 174,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,490.32 : 534,854.61 = 116,615.16 : x
  2. Step 2: Convert to fraction form
    356,490.32/534,854.61 = 116,615.16/x
  3. Step 3: Cross multiply
    356,490.32x = 534,854.61 × 116,615.16
  4. Step 4: Simplify right side
    356,490.32x = 62,372,155,921.89
  5. Step 5: Solve for x
    x = 62,372,155,921.89/356,490.32
  6. Step 6: Final answer
    x = 174,961.71

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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.