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Finding the Fourth Proportional to 404,951.61, 608,051.67 and 342,591.15

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Solution

The fourth proportional to 404,951.61, 608,051.67 and 342,591.15 is: 514,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,951.61 : 608,051.67 = 342,591.15 : x
  2. Step 2: Convert to fraction form
    404,951.61/608,051.67 = 342,591.15/x
  3. Step 3: Cross multiply
    404,951.61x = 608,051.67 × 342,591.15
  4. Step 4: Simplify right side
    404,951.61x = 208,313,117,844.46
  5. Step 5: Solve for x
    x = 208,313,117,844.46/404,951.61
  6. Step 6: Final answer
    x = 514,414.85

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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.