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Finding the Fourth Proportional to 602,380.38, 903,846.28 and 260,928.15

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Solution

The fourth proportional to 602,380.38, 903,846.28 and 260,928.15 is: 391,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,380.38 : 903,846.28 = 260,928.15 : x
  2. Step 2: Convert to fraction form
    602,380.38/903,846.28 = 260,928.15/x
  3. Step 3: Cross multiply
    602,380.38x = 903,846.28 × 260,928.15
  4. Step 4: Simplify right side
    602,380.38x = 235,838,937,724.78
  5. Step 5: Solve for x
    x = 235,838,937,724.78/602,380.38
  6. Step 6: Final answer
    x = 391,511.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.