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Finding the Fourth Proportional to 317,644.22, 476,524.80 and 104,424.18

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Solution

The fourth proportional to 317,644.22, 476,524.80 and 104,424.18 is: 156,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,644.22 : 476,524.80 = 104,424.18 : x
  2. Step 2: Convert to fraction form
    317,644.22/476,524.80 = 104,424.18/x
  3. Step 3: Cross multiply
    317,644.22x = 476,524.80 × 104,424.18
  4. Step 4: Simplify right side
    317,644.22x = 49,760,711,489.66
  5. Step 5: Solve for x
    x = 49,760,711,489.66/317,644.22
  6. Step 6: Final answer
    x = 156,655.49

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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.