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Finding the Fourth Proportional to 473,080.80, 709,621.20 and 367,327.20

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Solution

The fourth proportional to 473,080.80, 709,621.20 and 367,327.20 is: 550,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,080.80 : 709,621.20 = 367,327.20 : x
  2. Step 2: Convert to fraction form
    473,080.80/709,621.20 = 367,327.20/x
  3. Step 3: Cross multiply
    473,080.80x = 709,621.20 × 367,327.20
  4. Step 4: Simplify right side
    473,080.80x = 260,663,168,456.64
  5. Step 5: Solve for x
    x = 260,663,168,456.64/473,080.80
  6. Step 6: Final answer
    x = 550,990.80

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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.