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Finding the Fourth Proportional to 522,843.52, 784,265.28 and 242,323.84

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Solution

The fourth proportional to 522,843.52, 784,265.28 and 242,323.84 is: 363,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,843.52 : 784,265.28 = 242,323.84 : x
  2. Step 2: Convert to fraction form
    522,843.52/784,265.28 = 242,323.84/x
  3. Step 3: Cross multiply
    522,843.52x = 784,265.28 × 242,323.84
  4. Step 4: Simplify right side
    522,843.52x = 190,046,174,228.28
  5. Step 5: Solve for x
    x = 190,046,174,228.28/522,843.52
  6. Step 6: Final answer
    x = 363,485.76

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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.