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Finding the Fourth Proportional to 675,811.68, 932,519.80 and 410,459.22

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Solution

The fourth proportional to 675,811.68, 932,519.80 and 410,459.22 is: 566,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,811.68 : 932,519.80 = 410,459.22 : x
  2. Step 2: Convert to fraction form
    675,811.68/932,519.80 = 410,459.22/x
  3. Step 3: Cross multiply
    675,811.68x = 932,519.80 × 410,459.22
  4. Step 4: Simplify right side
    675,811.68x = 382,761,345,079.96
  5. Step 5: Solve for x
    x = 382,761,345,079.96/675,811.68
  6. Step 6: Final answer
    x = 566,372.79

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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.