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Finding the Fourth Proportional to 532,191.55, 798,414.90 and 177,208.78

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Solution

The fourth proportional to 532,191.55, 798,414.90 and 177,208.78 is: 265,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,191.55 : 798,414.90 = 177,208.78 : x
  2. Step 2: Convert to fraction form
    532,191.55/798,414.90 = 177,208.78/x
  3. Step 3: Cross multiply
    532,191.55x = 798,414.90 × 177,208.78
  4. Step 4: Simplify right side
    532,191.55x = 141,486,130,362.82
  5. Step 5: Solve for x
    x = 141,486,130,362.82/532,191.55
  6. Step 6: Final answer
    x = 265,855.65

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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.