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Finding the Fourth Proportional to 675,728.01, 932,099.22 and 446,285.75

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Solution

The fourth proportional to 675,728.01, 932,099.22 and 446,285.75 is: 615,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,728.01 : 932,099.22 = 446,285.75 : x
  2. Step 2: Convert to fraction form
    675,728.01/932,099.22 = 446,285.75/x
  3. Step 3: Cross multiply
    675,728.01x = 932,099.22 × 446,285.75
  4. Step 4: Simplify right side
    675,728.01x = 415,982,594,811.62
  5. Step 5: Solve for x
    x = 415,982,594,811.62/675,728.01
  6. Step 6: Final answer
    x = 615,606.56

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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.