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Finding the Fourth Proportional to 425,454.31, 587,124.01 and 234,467.86

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Solution

The fourth proportional to 425,454.31, 587,124.01 and 234,467.86 is: 323,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,454.31 : 587,124.01 = 234,467.86 : x
  2. Step 2: Convert to fraction form
    425,454.31/587,124.01 = 234,467.86/x
  3. Step 3: Cross multiply
    425,454.31x = 587,124.01 × 234,467.86
  4. Step 4: Simplify right side
    425,454.31x = 137,661,706,071.36
  5. Step 5: Solve for x
    x = 137,661,706,071.36/425,454.31
  6. Step 6: Final answer
    x = 323,564.02

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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.