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Finding the Fourth Proportional to 522,871.68, 784,308.48 and 223,100.16

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Solution

The fourth proportional to 522,871.68, 784,308.48 and 223,100.16 is: 334,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,871.68 : 784,308.48 = 223,100.16 : x
  2. Step 2: Convert to fraction form
    522,871.68/784,308.48 = 223,100.16/x
  3. Step 3: Cross multiply
    522,871.68x = 784,308.48 × 223,100.16
  4. Step 4: Simplify right side
    522,871.68x = 174,979,347,377.36
  5. Step 5: Solve for x
    x = 174,979,347,377.36/522,871.68
  6. Step 6: Final answer
    x = 334,650.65

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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.