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Finding the Fourth Proportional to 503,314.92, 754,424.88 and 250,782

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Solution

The fourth proportional to 503,314.92, 754,424.88 and 250,782 is: 375,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,314.92 : 754,424.88 = 250,782 : x
  2. Step 2: Convert to fraction form
    503,314.92/754,424.88 = 250,782/x
  3. Step 3: Cross multiply
    503,314.92x = 754,424.88 × 250,782
  4. Step 4: Simplify right side
    503,314.92x = 189,196,180,256.16
  5. Step 5: Solve for x
    x = 189,196,180,256.16/503,314.92
  6. Step 6: Final answer
    x = 375,900.20

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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.