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Finding the Fourth Proportional to 526,098.80, 788,716.20 and 226,809.20

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Solution

The fourth proportional to 526,098.80, 788,716.20 and 226,809.20 is: 340,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,098.80 : 788,716.20 = 226,809.20 : x
  2. Step 2: Convert to fraction form
    526,098.80/788,716.20 = 226,809.20/x
  3. Step 3: Cross multiply
    526,098.80x = 788,716.20 × 226,809.20
  4. Step 4: Simplify right side
    526,098.80x = 178,888,090,349.04
  5. Step 5: Solve for x
    x = 178,888,090,349.04/526,098.80
  6. Step 6: Final answer
    x = 340,027.56

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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.