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Finding the Fourth Proportional to 526,061.20, 788,800.20 and 226,490.80

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Solution

The fourth proportional to 526,061.20, 788,800.20 and 226,490.80 is: 339,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,061.20 : 788,800.20 = 226,490.80 : x
  2. Step 2: Convert to fraction form
    526,061.20/788,800.20 = 226,490.80/x
  3. Step 3: Cross multiply
    526,061.20x = 788,800.20 × 226,490.80
  4. Step 4: Simplify right side
    526,061.20x = 178,655,988,338.16
  5. Step 5: Solve for x
    x = 178,655,988,338.16/526,061.20
  6. Step 6: Final answer
    x = 339,610.65

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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.