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Finding the Fourth Proportional to 484,538.40, 727,585.20 and 366,343.20

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Solution

The fourth proportional to 484,538.40, 727,585.20 and 366,343.20 is: 550,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,538.40 : 727,585.20 = 366,343.20 : x
  2. Step 2: Convert to fraction form
    484,538.40/727,585.20 = 366,343.20/x
  3. Step 3: Cross multiply
    484,538.40x = 727,585.20 × 366,343.20
  4. Step 4: Simplify right side
    484,538.40x = 266,545,890,440.64
  5. Step 5: Solve for x
    x = 266,545,890,440.64/484,538.40
  6. Step 6: Final answer
    x = 550,102.72

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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.