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Finding the Fourth Proportional to 484,472.40, 726,838.20 and 344,504.40

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Solution

The fourth proportional to 484,472.40, 726,838.20 and 344,504.40 is: 516,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,472.40 : 726,838.20 = 344,504.40 : x
  2. Step 2: Convert to fraction form
    484,472.40/726,838.20 = 344,504.40/x
  3. Step 3: Cross multiply
    484,472.40x = 726,838.20 × 344,504.40
  4. Step 4: Simplify right side
    484,472.40x = 250,398,957,988.08
  5. Step 5: Solve for x
    x = 250,398,957,988.08/484,472.40
  6. Step 6: Final answer
    x = 516,848.76

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1.5x scale

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.