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Finding the Fourth Proportional to 739,200.90, 1,035,581.10 and 739,200.90

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Solution

The fourth proportional to 739,200.90, 1,035,581.10 and 739,200.90 is: 1,035,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,200.90 : 1,035,581.10 = 739,200.90 : x
  2. Step 2: Convert to fraction form
    739,200.90/1,035,581.10 = 739,200.90/x
  3. Step 3: Cross multiply
    739,200.90x = 1,035,581.10 × 739,200.90
  4. Step 4: Simplify right side
    739,200.90x = 765,502,481,142.99
  5. Step 5: Solve for x
    x = 765,502,481,142.99/739,200.90
  6. Step 6: Final answer
    x = 1,035,581.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.