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Finding the Fourth Proportional to 738,061.40, 1,107,092.10 and 738,061.40

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Solution

The fourth proportional to 738,061.40, 1,107,092.10 and 738,061.40 is: 1,107,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,061.40 : 1,107,092.10 = 738,061.40 : x
  2. Step 2: Convert to fraction form
    738,061.40/1,107,092.10 = 738,061.40/x
  3. Step 3: Cross multiply
    738,061.40x = 1,107,092.10 × 738,061.40
  4. Step 4: Simplify right side
    738,061.40x = 817,101,945,254.94
  5. Step 5: Solve for x
    x = 817,101,945,254.94/738,061.40
  6. Step 6: Final answer
    x = 1,107,092.10

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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.