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Finding the Fourth Proportional to 576,458.22, 865,999.50 and 417,025.92

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Solution

The fourth proportional to 576,458.22, 865,999.50 and 417,025.92 is: 626,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,458.22 : 865,999.50 = 417,025.92 : x
  2. Step 2: Convert to fraction form
    576,458.22/865,999.50 = 417,025.92/x
  3. Step 3: Cross multiply
    576,458.22x = 865,999.50 × 417,025.92
  4. Step 4: Simplify right side
    576,458.22x = 361,144,238,207.04
  5. Step 5: Solve for x
    x = 361,144,238,207.04/576,458.22
  6. Step 6: Final answer
    x = 626,488.14

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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.