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Finding the Fourth Proportional to 522,841.59, 784,245.92 and 148,864.59

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Solution

The fourth proportional to 522,841.59, 784,245.92 and 148,864.59 is: 223,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,841.59 : 784,245.92 = 148,864.59 : x
  2. Step 2: Convert to fraction form
    522,841.59/784,245.92 = 148,864.59/x
  3. Step 3: Cross multiply
    522,841.59x = 784,245.92 × 148,864.59
  4. Step 4: Simplify right side
    522,841.59x = 116,746,446,595.65
  5. Step 5: Solve for x
    x = 116,746,446,595.65/522,841.59
  6. Step 6: Final answer
    x = 223,292.20

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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.