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Finding the Fourth Proportional to 425,635.22, 587,381.13 and 234,655.45

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Solution

The fourth proportional to 425,635.22, 587,381.13 and 234,655.45 is: 323,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,635.22 : 587,381.13 = 234,655.45 : x
  2. Step 2: Convert to fraction form
    425,635.22/587,381.13 = 234,655.45/x
  3. Step 3: Cross multiply
    425,635.22x = 587,381.13 × 234,655.45
  4. Step 4: Simplify right side
    425,635.22x = 137,832,183,381.66
  5. Step 5: Solve for x
    x = 137,832,183,381.66/425,635.22
  6. Step 6: Final answer
    x = 323,827.02

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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.