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Finding the Fourth Proportional to 484,133.76, 726,200.64 and 147,173.76

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Solution

The fourth proportional to 484,133.76, 726,200.64 and 147,173.76 is: 220,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,133.76 : 726,200.64 = 147,173.76 : x
  2. Step 2: Convert to fraction form
    484,133.76/726,200.64 = 147,173.76/x
  3. Step 3: Cross multiply
    484,133.76x = 726,200.64 × 147,173.76
  4. Step 4: Simplify right side
    484,133.76x = 106,877,678,703.21
  5. Step 5: Solve for x
    x = 106,877,678,703.21/484,133.76
  6. Step 6: Final answer
    x = 220,760.64

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Similar ratio
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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.