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Finding the Fourth Proportional to 425,612.88, 587,322.90 and 234,588.96

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Solution

The fourth proportional to 425,612.88, 587,322.90 and 234,588.96 is: 323,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,612.88 : 587,322.90 = 234,588.96 : x
  2. Step 2: Convert to fraction form
    425,612.88/587,322.90 = 234,588.96/x
  3. Step 3: Cross multiply
    425,612.88x = 587,322.90 × 234,588.96
  4. Step 4: Simplify right side
    425,612.88x = 137,779,468,295.18
  5. Step 5: Solve for x
    x = 137,779,468,295.18/425,612.88
  6. Step 6: Final answer
    x = 323,720.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.