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Finding the Fourth Proportional to 469,925.38, 648,479.64 and 255,060.87

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Solution

The fourth proportional to 469,925.38, 648,479.64 and 255,060.87 is: 351,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,925.38 : 648,479.64 = 255,060.87 : x
  2. Step 2: Convert to fraction form
    469,925.38/648,479.64 = 255,060.87/x
  3. Step 3: Cross multiply
    469,925.38x = 648,479.64 × 255,060.87
  4. Step 4: Simplify right side
    469,925.38x = 165,401,781,155.69
  5. Step 5: Solve for x
    x = 165,401,781,155.69/469,925.38
  6. Step 6: Final answer
    x = 351,974.56

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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.