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Finding the Fourth Proportional to 741,102.87, 1,022,730 and 435,182.88

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Solution

The fourth proportional to 741,102.87, 1,022,730 and 435,182.88 is: 600,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,102.87 : 1,022,730 = 435,182.88 : x
  2. Step 2: Convert to fraction form
    741,102.87/1,022,730 = 435,182.88/x
  3. Step 3: Cross multiply
    741,102.87x = 1,022,730 × 435,182.88
  4. Step 4: Simplify right side
    741,102.87x = 445,074,586,862.40
  5. Step 5: Solve for x
    x = 445,074,586,862.40/741,102.87
  6. Step 6: Final answer
    x = 600,557.10

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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.