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Finding the Fourth Proportional to 474,337.71, 654,585.82 and 259,477.72

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Solution

The fourth proportional to 474,337.71, 654,585.82 and 259,477.72 is: 358,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,337.71 : 654,585.82 = 259,477.72 : x
  2. Step 2: Convert to fraction form
    474,337.71/654,585.82 = 259,477.72/x
  3. Step 3: Cross multiply
    474,337.71x = 654,585.82 × 259,477.72
  4. Step 4: Simplify right side
    474,337.71x = 169,850,432,845.00
  5. Step 5: Solve for x
    x = 169,850,432,845.00/474,337.71
  6. Step 6: Final answer
    x = 358,079.13

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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.