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Finding the Fourth Proportional to 522,816.40, 784,224.60 and 167,866.30

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Solution

The fourth proportional to 522,816.40, 784,224.60 and 167,866.30 is: 251,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,816.40 : 784,224.60 = 167,866.30 : x
  2. Step 2: Convert to fraction form
    522,816.40/784,224.60 = 167,866.30/x
  3. Step 3: Cross multiply
    522,816.40x = 784,224.60 × 167,866.30
  4. Step 4: Simplify right side
    522,816.40x = 131,644,881,970.98
  5. Step 5: Solve for x
    x = 131,644,881,970.98/522,816.40
  6. Step 6: Final answer
    x = 251,799.45

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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.