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Finding the Fourth Proportional to 532,852.06, 798,589.10 and 398,679.60

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Solution

The fourth proportional to 532,852.06, 798,589.10 and 398,679.60 is: 597,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,852.06 : 798,589.10 = 398,679.60 : x
  2. Step 2: Convert to fraction form
    532,852.06/798,589.10 = 398,679.60/x
  3. Step 3: Cross multiply
    532,852.06x = 798,589.10 × 398,679.60
  4. Step 4: Simplify right side
    532,852.06x = 318,381,182,952.36
  5. Step 5: Solve for x
    x = 318,381,182,952.36/532,852.06
  6. Step 6: Final answer
    x = 597,503.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.