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Finding the Fourth Proportional to 522,973.28, 784,470.84 and 148,996.28

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Solution

The fourth proportional to 522,973.28, 784,470.84 and 148,996.28 is: 223,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,973.28 : 784,470.84 = 148,996.28 : x
  2. Step 2: Convert to fraction form
    522,973.28/784,470.84 = 148,996.28/x
  3. Step 3: Cross multiply
    522,973.28x = 784,470.84 × 148,996.28
  4. Step 4: Simplify right side
    522,973.28x = 116,883,236,928.48
  5. Step 5: Solve for x
    x = 116,883,236,928.48/522,973.28
  6. Step 6: Final answer
    x = 223,497.53

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Double scale
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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.