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Finding the Fourth Proportional to 425,316.59, 586,936.56 and 234,329.97

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Solution

The fourth proportional to 425,316.59, 586,936.56 and 234,329.97 is: 323,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,316.59 : 586,936.56 = 234,329.97 : x
  2. Step 2: Convert to fraction form
    425,316.59/586,936.56 = 234,329.97/x
  3. Step 3: Cross multiply
    425,316.59x = 586,936.56 × 234,329.97
  4. Step 4: Simplify right side
    425,316.59x = 137,536,829,576.45
  5. Step 5: Solve for x
    x = 137,536,829,576.45/425,316.59
  6. Step 6: Final answer
    x = 323,375.18

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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.