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Finding the Fourth Proportional to 483,493.40, 725,130.78 and 183,867.20

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Solution

The fourth proportional to 483,493.40, 725,130.78 and 183,867.20 is: 275,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,493.40 : 725,130.78 = 183,867.20 : x
  2. Step 2: Convert to fraction form
    483,493.40/725,130.78 = 183,867.20/x
  3. Step 3: Cross multiply
    483,493.40x = 725,130.78 × 183,867.20
  4. Step 4: Simplify right side
    483,493.40x = 133,327,766,152.42
  5. Step 5: Solve for x
    x = 133,327,766,152.42/483,493.40
  6. Step 6: Final answer
    x = 275,759.23

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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.