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Finding the Fourth Proportional to 738,110.30, 1,105,197.15 and 738,110.30

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Solution

The fourth proportional to 738,110.30, 1,105,197.15 and 738,110.30 is: 1,105,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,110.30 : 1,105,197.15 = 738,110.30 : x
  2. Step 2: Convert to fraction form
    738,110.30/1,105,197.15 = 738,110.30/x
  3. Step 3: Cross multiply
    738,110.30x = 1,105,197.15 × 738,110.30
  4. Step 4: Simplify right side
    738,110.30x = 815,757,399,945.65
  5. Step 5: Solve for x
    x = 815,757,399,945.65/738,110.30
  6. Step 6: Final answer
    x = 1,105,197.15

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1.5x scale

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.