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Finding the Fourth Proportional to 716,489.27, 988,195.50 and 444,404.60

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Solution

The fourth proportional to 716,489.27, 988,195.50 and 444,404.60 is: 612,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,489.27 : 988,195.50 = 444,404.60 : x
  2. Step 2: Convert to fraction form
    716,489.27/988,195.50 = 444,404.60/x
  3. Step 3: Cross multiply
    716,489.27x = 988,195.50 × 444,404.60
  4. Step 4: Simplify right side
    716,489.27x = 439,158,620,958.32
  5. Step 5: Solve for x
    x = 439,158,620,958.32/716,489.27
  6. Step 6: Final answer
    x = 612,931.19

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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.