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Finding the Fourth Proportional to 468,226.60, 702,080.70 and 187,426.60

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Solution

The fourth proportional to 468,226.60, 702,080.70 and 187,426.60 is: 281,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,226.60 : 702,080.70 = 187,426.60 : x
  2. Step 2: Convert to fraction form
    468,226.60/702,080.70 = 187,426.60/x
  3. Step 3: Cross multiply
    468,226.60x = 702,080.70 × 187,426.60
  4. Step 4: Simplify right side
    468,226.60x = 131,588,598,526.62
  5. Step 5: Solve for x
    x = 131,588,598,526.62/468,226.60
  6. Step 6: Final answer
    x = 281,036.14

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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.