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Finding the Fourth Proportional to 526,064.80, 788,665.20 and 226,775.20

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Solution

The fourth proportional to 526,064.80, 788,665.20 and 226,775.20 is: 339,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,064.80 : 788,665.20 = 226,775.20 : x
  2. Step 2: Convert to fraction form
    526,064.80/788,665.20 = 226,775.20/x
  3. Step 3: Cross multiply
    526,064.80x = 788,665.20 × 226,775.20
  4. Step 4: Simplify right side
    526,064.80x = 178,849,708,463.04
  5. Step 5: Solve for x
    x = 178,849,708,463.04/526,064.80
  6. Step 6: Final answer
    x = 339,976.57

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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.