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Finding the Fourth Proportional to 486,935.76, 730,335.47 and 167,082.42

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Solution

The fourth proportional to 486,935.76, 730,335.47 and 167,082.42 is: 250,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,935.76 : 730,335.47 = 167,082.42 : x
  2. Step 2: Convert to fraction form
    486,935.76/730,335.47 = 167,082.42/x
  3. Step 3: Cross multiply
    486,935.76x = 730,335.47 × 167,082.42
  4. Step 4: Simplify right side
    486,935.76x = 122,026,216,904.03
  5. Step 5: Solve for x
    x = 122,026,216,904.03/486,935.76
  6. Step 6: Final answer
    x = 250,600.24

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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.