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Finding the Fourth Proportional to 261,632.60, 391,574.10 and 182,900.60

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Solution

The fourth proportional to 261,632.60, 391,574.10 and 182,900.60 is: 273,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,632.60 : 391,574.10 = 182,900.60 : x
  2. Step 2: Convert to fraction form
    261,632.60/391,574.10 = 182,900.60/x
  3. Step 3: Cross multiply
    261,632.60x = 391,574.10 × 182,900.60
  4. Step 4: Simplify right side
    261,632.60x = 71,619,137,834.46
  5. Step 5: Solve for x
    x = 71,619,137,834.46/261,632.60
  6. Step 6: Final answer
    x = 273,739.35

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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.