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Finding the Fourth Proportional to 440,807.54, 608,350.64 and 247,211.53

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Solution

The fourth proportional to 440,807.54, 608,350.64 and 247,211.53 is: 341,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,807.54 : 608,350.64 = 247,211.53 : x
  2. Step 2: Convert to fraction form
    440,807.54/608,350.64 = 247,211.53/x
  3. Step 3: Cross multiply
    440,807.54x = 608,350.64 × 247,211.53
  4. Step 4: Simplify right side
    440,807.54x = 150,391,289,733.95
  5. Step 5: Solve for x
    x = 150,391,289,733.95/440,807.54
  6. Step 6: Final answer
    x = 341,172.23

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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.