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Finding the Fourth Proportional to 526,858.38, 790,602.85 and 227,338.95

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Solution

The fourth proportional to 526,858.38, 790,602.85 and 227,338.95 is: 341,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,858.38 : 790,602.85 = 227,338.95 : x
  2. Step 2: Convert to fraction form
    526,858.38/790,602.85 = 227,338.95/x
  3. Step 3: Cross multiply
    526,858.38x = 790,602.85 × 227,338.95
  4. Step 4: Simplify right side
    526,858.38x = 179,734,820,843.09
  5. Step 5: Solve for x
    x = 179,734,820,843.09/526,858.38
  6. Step 6: Final answer
    x = 341,144.47

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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.