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Finding the Fourth Proportional to 244,491.20, 366,952.80 and 144,526.40

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Solution

The fourth proportional to 244,491.20, 366,952.80 and 144,526.40 is: 216,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,491.20 : 366,952.80 = 144,526.40 : x
  2. Step 2: Convert to fraction form
    244,491.20/366,952.80 = 144,526.40/x
  3. Step 3: Cross multiply
    244,491.20x = 366,952.80 × 144,526.40
  4. Step 4: Simplify right side
    244,491.20x = 53,034,367,153.92
  5. Step 5: Solve for x
    x = 53,034,367,153.92/244,491.20
  6. Step 6: Final answer
    x = 216,917.28

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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.