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Finding the Fourth Proportional to 598,500.55, 825,930.80 and 383,641.03

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Solution

The fourth proportional to 598,500.55, 825,930.80 and 383,641.03 is: 529,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,500.55 : 825,930.80 = 383,641.03 : x
  2. Step 2: Convert to fraction form
    598,500.55/825,930.80 = 383,641.03/x
  3. Step 3: Cross multiply
    598,500.55x = 825,930.80 × 383,641.03
  4. Step 4: Simplify right side
    598,500.55x = 316,860,942,820.72
  5. Step 5: Solve for x
    x = 316,860,942,820.72/598,500.55
  6. Step 6: Final answer
    x = 529,424.65

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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.