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Finding the Fourth Proportional to 598,227.67, 825,087.36 and 383,387.59

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Solution

The fourth proportional to 598,227.67, 825,087.36 and 383,387.59 is: 528,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,227.67 : 825,087.36 = 383,387.59 : x
  2. Step 2: Convert to fraction form
    598,227.67/825,087.36 = 383,387.59/x
  3. Step 3: Cross multiply
    598,227.67x = 825,087.36 × 383,387.59
  4. Step 4: Simplify right side
    598,227.67x = 316,328,254,489.86
  5. Step 5: Solve for x
    x = 316,328,254,489.86/598,227.67
  6. Step 6: Final answer
    x = 528,775.70

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Double scale
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Similar ratio
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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.