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Finding the Fourth Proportional to 718,996.74, 992,575.08 and 447,152.22

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Solution

The fourth proportional to 718,996.74, 992,575.08 and 447,152.22 is: 617,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,996.74 : 992,575.08 = 447,152.22 : x
  2. Step 2: Convert to fraction form
    718,996.74/992,575.08 = 447,152.22/x
  3. Step 3: Cross multiply
    718,996.74x = 992,575.08 × 447,152.22
  4. Step 4: Simplify right side
    718,996.74x = 443,832,150,538.68
  5. Step 5: Solve for x
    x = 443,832,150,538.68/718,996.74
  6. Step 6: Final answer
    x = 617,293.69

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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.