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Finding the Fourth Proportional to 529,353.62, 794,033.10 and 129,994.55

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Solution

The fourth proportional to 529,353.62, 794,033.10 and 129,994.55 is: 194,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,353.62 : 794,033.10 = 129,994.55 : x
  2. Step 2: Convert to fraction form
    529,353.62/794,033.10 = 129,994.55/x
  3. Step 3: Cross multiply
    529,353.62x = 794,033.10 × 129,994.55
  4. Step 4: Simplify right side
    529,353.62x = 103,219,975,519.61
  5. Step 5: Solve for x
    x = 103,219,975,519.61/529,353.62
  6. Step 6: Final answer
    x = 194,992.48

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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.