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Finding the Fourth Proportional to 425,943.49, 587,756.63 and 234,956.89

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Solution

The fourth proportional to 425,943.49, 587,756.63 and 234,956.89 is: 324,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,943.49 : 587,756.63 = 234,956.89 : x
  2. Step 2: Convert to fraction form
    425,943.49/587,756.63 = 234,956.89/x
  3. Step 3: Cross multiply
    425,943.49x = 587,756.63 × 234,956.89
  4. Step 4: Simplify right side
    425,943.49x = 138,097,465,748.11
  5. Step 5: Solve for x
    x = 138,097,465,748.11/425,943.49
  6. Step 6: Final answer
    x = 324,215.47

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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.