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Finding the Fourth Proportional to 468,034.20, 702,051.30 and 187,752.60

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Solution

The fourth proportional to 468,034.20, 702,051.30 and 187,752.60 is: 281,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,034.20 : 702,051.30 = 187,752.60 : x
  2. Step 2: Convert to fraction form
    468,034.20/702,051.30 = 187,752.60/x
  3. Step 3: Cross multiply
    468,034.20x = 702,051.30 × 187,752.60
  4. Step 4: Simplify right side
    468,034.20x = 131,811,956,908.38
  5. Step 5: Solve for x
    x = 131,811,956,908.38/468,034.20
  6. Step 6: Final answer
    x = 281,628.90

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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.