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Finding the Fourth Proportional to 425,317.11, 586,937.29 and 234,330.50

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Solution

The fourth proportional to 425,317.11, 586,937.29 and 234,330.50 is: 323,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,317.11 : 586,937.29 = 234,330.50 : x
  2. Step 2: Convert to fraction form
    425,317.11/586,937.29 = 234,330.50/x
  3. Step 3: Cross multiply
    425,317.11x = 586,937.29 × 234,330.50
  4. Step 4: Simplify right side
    425,317.11x = 137,537,308,634.35
  5. Step 5: Solve for x
    x = 137,537,308,634.35/425,317.11
  6. Step 6: Final answer
    x = 323,375.91

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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.