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Finding the Fourth Proportional to 484,060.40, 726,263.40 and 203,663.60

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Solution

The fourth proportional to 484,060.40, 726,263.40 and 203,663.60 is: 305,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,060.40 : 726,263.40 = 203,663.60 : x
  2. Step 2: Convert to fraction form
    484,060.40/726,263.40 = 203,663.60/x
  3. Step 3: Cross multiply
    484,060.40x = 726,263.40 × 203,663.60
  4. Step 4: Simplify right side
    484,060.40x = 147,913,418,592.24
  5. Step 5: Solve for x
    x = 147,913,418,592.24/484,060.40
  6. Step 6: Final answer
    x = 305,568.10

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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.