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Finding the Fourth Proportional to 738,741.70, 1,108,112.55 and 738,741.70

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Solution

The fourth proportional to 738,741.70, 1,108,112.55 and 738,741.70 is: 1,108,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,741.70 : 1,108,112.55 = 738,741.70 : x
  2. Step 2: Convert to fraction form
    738,741.70/1,108,112.55 = 738,741.70/x
  3. Step 3: Cross multiply
    738,741.70x = 1,108,112.55 × 738,741.70
  4. Step 4: Simplify right side
    738,741.70x = 818,608,948,978.34
  5. Step 5: Solve for x
    x = 818,608,948,978.34/738,741.70
  6. Step 6: Final answer
    x = 1,108,112.55

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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.