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Finding the Fourth Proportional to 529,352.62, 794,031.60 and 129,993.55

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Solution

The fourth proportional to 529,352.62, 794,031.60 and 129,993.55 is: 194,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,352.62 : 794,031.60 = 129,993.55 : x
  2. Step 2: Convert to fraction form
    529,352.62/794,031.60 = 129,993.55/x
  3. Step 3: Cross multiply
    529,352.62x = 794,031.60 × 129,993.55
  4. Step 4: Simplify right side
    529,352.62x = 103,218,986,496.18
  5. Step 5: Solve for x
    x = 103,218,986,496.18/529,352.62
  6. Step 6: Final answer
    x = 194,990.98

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1.5x scale

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.