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Finding the Fourth Proportional to 598,479.88, 825,155.22 and 383,266.12

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Solution

The fourth proportional to 598,479.88, 825,155.22 and 383,266.12 is: 528,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,479.88 : 825,155.22 = 383,266.12 : x
  2. Step 2: Convert to fraction form
    598,479.88/825,155.22 = 383,266.12/x
  3. Step 3: Cross multiply
    598,479.88x = 825,155.22 × 383,266.12
  4. Step 4: Simplify right side
    598,479.88x = 316,254,039,567.15
  5. Step 5: Solve for x
    x = 316,254,039,567.15/598,479.88
  6. Step 6: Final answer
    x = 528,428.86

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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.