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Finding the Fourth Proportional to 649,718.52, 974,644.62 and 245,251.41

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Solution

The fourth proportional to 649,718.52, 974,644.62 and 245,251.41 is: 367,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,718.52 : 974,644.62 = 245,251.41 : x
  2. Step 2: Convert to fraction form
    649,718.52/974,644.62 = 245,251.41/x
  3. Step 3: Cross multiply
    649,718.52x = 974,644.62 × 245,251.41
  4. Step 4: Simplify right side
    649,718.52x = 239,032,967,303.91
  5. Step 5: Solve for x
    x = 239,032,967,303.91/649,718.52
  6. Step 6: Final answer
    x = 367,902.35

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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.