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Finding the Fourth Proportional to 738,250.80, 1,105,407.90 and 738,250.80

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Solution

The fourth proportional to 738,250.80, 1,105,407.90 and 738,250.80 is: 1,105,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,250.80 : 1,105,407.90 = 738,250.80 : x
  2. Step 2: Convert to fraction form
    738,250.80/1,105,407.90 = 738,250.80/x
  3. Step 3: Cross multiply
    738,250.80x = 1,105,407.90 × 738,250.80
  4. Step 4: Simplify right side
    738,250.80x = 816,068,266,501.32
  5. Step 5: Solve for x
    x = 816,068,266,501.32/738,250.80
  6. Step 6: Final answer
    x = 1,105,407.90

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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.