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Finding the Fourth Proportional to 527,069.70, 790,604.55 and 133,085.70

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Solution

The fourth proportional to 527,069.70, 790,604.55 and 133,085.70 is: 199,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,069.70 : 790,604.55 = 133,085.70 : x
  2. Step 2: Convert to fraction form
    527,069.70/790,604.55 = 133,085.70/x
  3. Step 3: Cross multiply
    527,069.70x = 790,604.55 × 133,085.70
  4. Step 4: Simplify right side
    527,069.70x = 105,218,159,959.94
  5. Step 5: Solve for x
    x = 105,218,159,959.94/527,069.70
  6. Step 6: Final answer
    x = 199,628.55

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Similar ratio
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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.