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Finding the Fourth Proportional to 305,834.70, 459,097.65 and 181,245.90

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Solution

The fourth proportional to 305,834.70, 459,097.65 and 181,245.90 is: 272,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,834.70 : 459,097.65 = 181,245.90 : x
  2. Step 2: Convert to fraction form
    305,834.70/459,097.65 = 181,245.90/x
  3. Step 3: Cross multiply
    305,834.70x = 459,097.65 × 181,245.90
  4. Step 4: Simplify right side
    305,834.70x = 83,209,566,762.14
  5. Step 5: Solve for x
    x = 83,209,566,762.14/305,834.70
  6. Step 6: Final answer
    x = 272,073.66

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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.