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Finding the Fourth Proportional to 288,065.80, 431,580.30 and 246,593.80

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Solution

The fourth proportional to 288,065.80, 431,580.30 and 246,593.80 is: 369,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,065.80 : 431,580.30 = 246,593.80 : x
  2. Step 2: Convert to fraction form
    288,065.80/431,580.30 = 246,593.80/x
  3. Step 3: Cross multiply
    288,065.80x = 431,580.30 × 246,593.80
  4. Step 4: Simplify right side
    288,065.80x = 106,425,026,182.14
  5. Step 5: Solve for x
    x = 106,425,026,182.14/288,065.80
  6. Step 6: Final answer
    x = 369,446.93

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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.