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Finding the Fourth Proportional to 372,436.56, 558,410.04 and 245,690.28

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Solution

The fourth proportional to 372,436.56, 558,410.04 and 245,690.28 is: 368,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,436.56 : 558,410.04 = 245,690.28 : x
  2. Step 2: Convert to fraction form
    372,436.56/558,410.04 = 245,690.28/x
  3. Step 3: Cross multiply
    372,436.56x = 558,410.04 × 245,690.28
  4. Step 4: Simplify right side
    372,436.56x = 137,195,919,082.41
  5. Step 5: Solve for x
    x = 137,195,919,082.41/372,436.56
  6. Step 6: Final answer
    x = 368,373.93

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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.