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Finding the Fourth Proportional to 617,654.22, 926,641.07 and 361,702.93

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Solution

The fourth proportional to 617,654.22, 926,641.07 and 361,702.93 is: 542,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,654.22 : 926,641.07 = 361,702.93 : x
  2. Step 2: Convert to fraction form
    617,654.22/926,641.07 = 361,702.93/x
  3. Step 3: Cross multiply
    617,654.22x = 926,641.07 × 361,702.93
  4. Step 4: Simplify right side
    617,654.22x = 335,168,790,077.34
  5. Step 5: Solve for x
    x = 335,168,790,077.34/617,654.22
  6. Step 6: Final answer
    x = 542,647.94

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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.