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Finding the Fourth Proportional to 480,310.57, 720,449.44 and 227,712.07

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Solution

The fourth proportional to 480,310.57, 720,449.44 and 227,712.07 is: 341,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,310.57 : 720,449.44 = 227,712.07 : x
  2. Step 2: Convert to fraction form
    480,310.57/720,449.44 = 227,712.07/x
  3. Step 3: Cross multiply
    480,310.57x = 720,449.44 × 227,712.07
  4. Step 4: Simplify right side
    480,310.57x = 164,055,033,312.74
  5. Step 5: Solve for x
    x = 164,055,033,312.74/480,310.57
  6. Step 6: Final answer
    x = 341,560.32

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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.