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Finding the Fourth Proportional to 739,219.65, 1,108,829.48 and 739,219.65

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Solution

The fourth proportional to 739,219.65, 1,108,829.48 and 739,219.65 is: 1,108,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,219.65 : 1,108,829.48 = 739,219.65 : x
  2. Step 2: Convert to fraction form
    739,219.65/1,108,829.48 = 739,219.65/x
  3. Step 3: Cross multiply
    739,219.65x = 1,108,829.48 × 739,219.65
  4. Step 4: Simplify right side
    739,219.65x = 819,668,536,419.18
  5. Step 5: Solve for x
    x = 819,668,536,419.18/739,219.65
  6. Step 6: Final answer
    x = 1,108,829.48

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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.