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Finding the Fourth Proportional to 424,431.47, 585,726.50 and 233,449.87

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Solution

The fourth proportional to 424,431.47, 585,726.50 and 233,449.87 is: 322,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,431.47 : 585,726.50 = 233,449.87 : x
  2. Step 2: Convert to fraction form
    424,431.47/585,726.50 = 233,449.87/x
  3. Step 3: Cross multiply
    424,431.47x = 585,726.50 × 233,449.87
  4. Step 4: Simplify right side
    424,431.47x = 136,737,774,399.86
  5. Step 5: Solve for x
    x = 136,737,774,399.86/424,431.47
  6. Step 6: Final answer
    x = 322,166.91

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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.