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Finding the Fourth Proportional to 527,282.76, 790,675.56 and 190,279.38

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Solution

The fourth proportional to 527,282.76, 790,675.56 and 190,279.38 is: 285,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,282.76 : 790,675.56 = 190,279.38 : x
  2. Step 2: Convert to fraction form
    527,282.76/790,675.56 = 190,279.38/x
  3. Step 3: Cross multiply
    527,282.76x = 790,675.56 × 190,279.38
  4. Step 4: Simplify right side
    527,282.76x = 150,449,255,337.95
  5. Step 5: Solve for x
    x = 150,449,255,337.95/527,282.76
  6. Step 6: Final answer
    x = 285,329.37

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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.