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Finding the Fourth Proportional to 567,669.87, 783,574.16 and 338,299.13

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Solution

The fourth proportional to 567,669.87, 783,574.16 and 338,299.13 is: 466,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,669.87 : 783,574.16 = 338,299.13 : x
  2. Step 2: Convert to fraction form
    567,669.87/783,574.16 = 338,299.13/x
  3. Step 3: Cross multiply
    567,669.87x = 783,574.16 × 338,299.13
  4. Step 4: Simplify right side
    567,669.87x = 265,082,456,885.92
  5. Step 5: Solve for x
    x = 265,082,456,885.92/567,669.87
  6. Step 6: Final answer
    x = 466,965.87

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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.