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Finding the Fourth Proportional to 667,368.30, 1,001,052.45 and 168,732.30

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Solution

The fourth proportional to 667,368.30, 1,001,052.45 and 168,732.30 is: 253,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,368.30 : 1,001,052.45 = 168,732.30 : x
  2. Step 2: Convert to fraction form
    667,368.30/1,001,052.45 = 168,732.30/x
  3. Step 3: Cross multiply
    667,368.30x = 1,001,052.45 × 168,732.30
  4. Step 4: Simplify right side
    667,368.30x = 168,909,882,309.14
  5. Step 5: Solve for x
    x = 168,909,882,309.14/667,368.30
  6. Step 6: Final answer
    x = 253,098.45

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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.