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Finding the Fourth Proportional to 483,669.45, 725,504.18 and 483,669.45

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Solution

The fourth proportional to 483,669.45, 725,504.18 and 483,669.45 is: 725,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,669.45 : 725,504.18 = 483,669.45 : x
  2. Step 2: Convert to fraction form
    483,669.45/725,504.18 = 483,669.45/x
  3. Step 3: Cross multiply
    483,669.45x = 725,504.18 × 483,669.45
  4. Step 4: Simplify right side
    483,669.45x = 350,904,205,294.95
  5. Step 5: Solve for x
    x = 350,904,205,294.95/483,669.45
  6. Step 6: Final answer
    x = 725,504.18

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Similar ratio
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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.