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Finding the Fourth Proportional to 424,712.87, 586,103.85 and 233,726.26

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Solution

The fourth proportional to 424,712.87, 586,103.85 and 233,726.26 is: 322,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,712.87 : 586,103.85 = 233,726.26 : x
  2. Step 2: Convert to fraction form
    424,712.87/586,103.85 = 233,726.26/x
  3. Step 3: Cross multiply
    424,712.87x = 586,103.85 × 233,726.26
  4. Step 4: Simplify right side
    424,712.87x = 136,987,860,832.10
  5. Step 5: Solve for x
    x = 136,987,860,832.10/424,712.87
  6. Step 6: Final answer
    x = 322,542.29

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1.5x scale

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.