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Finding the Fourth Proportional to 418,774.52, 578,011.49 and 237,592.50

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Solution

The fourth proportional to 418,774.52, 578,011.49 and 237,592.50 is: 327,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,774.52 : 578,011.49 = 237,592.50 : x
  2. Step 2: Convert to fraction form
    418,774.52/578,011.49 = 237,592.50/x
  3. Step 3: Cross multiply
    418,774.52x = 578,011.49 × 237,592.50
  4. Step 4: Simplify right side
    418,774.52x = 137,331,197,873.89
  5. Step 5: Solve for x
    x = 137,331,197,873.89/418,774.52
  6. Step 6: Final answer
    x = 327,935.90

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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.