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Finding the Fourth Proportional to 483,207.60, 724,811.40 and 462,730.80

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Solution

The fourth proportional to 483,207.60, 724,811.40 and 462,730.80 is: 694,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,207.60 : 724,811.40 = 462,730.80 : x
  2. Step 2: Convert to fraction form
    483,207.60/724,811.40 = 462,730.80/x
  3. Step 3: Cross multiply
    483,207.60x = 724,811.40 × 462,730.80
  4. Step 4: Simplify right side
    483,207.60x = 335,392,558,971.12
  5. Step 5: Solve for x
    x = 335,392,558,971.12/483,207.60
  6. Step 6: Final answer
    x = 694,096.20

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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.