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Finding the Fourth Proportional to 483,205.60, 724,808.40 and 462,728.80

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Solution

The fourth proportional to 483,205.60, 724,808.40 and 462,728.80 is: 694,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,205.60 : 724,808.40 = 462,728.80 : x
  2. Step 2: Convert to fraction form
    483,205.60/724,808.40 = 462,728.80/x
  3. Step 3: Cross multiply
    483,205.60x = 724,808.40 × 462,728.80
  4. Step 4: Simplify right side
    483,205.60x = 335,389,721,161.92
  5. Step 5: Solve for x
    x = 335,389,721,161.92/483,205.60
  6. Step 6: Final answer
    x = 694,093.20

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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.