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Finding the Fourth Proportional to 462,524.08, 638,479.98 and 281,294.22

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Solution

The fourth proportional to 462,524.08, 638,479.98 and 281,294.22 is: 388,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,524.08 : 638,479.98 = 281,294.22 : x
  2. Step 2: Convert to fraction form
    462,524.08/638,479.98 = 281,294.22/x
  3. Step 3: Cross multiply
    462,524.08x = 638,479.98 × 281,294.22
  4. Step 4: Simplify right side
    462,524.08x = 179,600,727,959.72
  5. Step 5: Solve for x
    x = 179,600,727,959.72/462,524.08
  6. Step 6: Final answer
    x = 388,305.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.