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Finding the Fourth Proportional to 1,966,868.08, 2,948,000 and 751,648.96

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Solution

The fourth proportional to 1,966,868.08, 2,948,000 and 751,648.96 is: 1,126,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,868.08 : 2,948,000 = 751,648.96 : x
  2. Step 2: Convert to fraction form
    1,966,868.08/2,948,000 = 751,648.96/x
  3. Step 3: Cross multiply
    1,966,868.08x = 2,948,000 × 751,648.96
  4. Step 4: Simplify right side
    1,966,868.08x = 2,215,861,134,080
  5. Step 5: Solve for x
    x = 2,215,861,134,080/1,966,868.08
  6. Step 6: Final answer
    x = 1,126,593.67

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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.