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Finding the Fourth Proportional to 781,382.16, 1,172,250 and 248,933.52

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Solution

The fourth proportional to 781,382.16, 1,172,250 and 248,933.52 is: 373,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,382.16 : 1,172,250 = 248,933.52 : x
  2. Step 2: Convert to fraction form
    781,382.16/1,172,250 = 248,933.52/x
  3. Step 3: Cross multiply
    781,382.16x = 1,172,250 × 248,933.52
  4. Step 4: Simplify right side
    781,382.16x = 291,812,318,820
  5. Step 5: Solve for x
    x = 291,812,318,820/781,382.16
  6. Step 6: Final answer
    x = 373,456.59

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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.