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Finding the Fourth Proportional to 262,003.80, 392,568.30 and 224,387.40

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Solution

The fourth proportional to 262,003.80, 392,568.30 and 224,387.40 is: 336,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,003.80 : 392,568.30 = 224,387.40 : x
  2. Step 2: Convert to fraction form
    262,003.80/392,568.30 = 224,387.40/x
  3. Step 3: Cross multiply
    262,003.80x = 392,568.30 × 224,387.40
  4. Step 4: Simplify right side
    262,003.80x = 88,087,380,159.42
  5. Step 5: Solve for x
    x = 88,087,380,159.42/262,003.80
  6. Step 6: Final answer
    x = 336,206.50

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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.