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Finding the Fourth Proportional to 616,166.90, 922,695.15 and 404,659.70

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Solution

The fourth proportional to 616,166.90, 922,695.15 and 404,659.70 is: 605,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,166.90 : 922,695.15 = 404,659.70 : x
  2. Step 2: Convert to fraction form
    616,166.90/922,695.15 = 404,659.70/x
  3. Step 3: Cross multiply
    616,166.90x = 922,695.15 × 404,659.70
  4. Step 4: Simplify right side
    616,166.90x = 373,377,542,590.46
  5. Step 5: Solve for x
    x = 373,377,542,590.46/616,166.90
  6. Step 6: Final answer
    x = 605,968.19

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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.