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Finding the Fourth Proportional to 480,081.43, 720,574.11 and 243,593.83

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Solution

The fourth proportional to 480,081.43, 720,574.11 and 243,593.83 is: 365,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,081.43 : 720,574.11 = 243,593.83 : x
  2. Step 2: Convert to fraction form
    480,081.43/720,574.11 = 243,593.83/x
  3. Step 3: Cross multiply
    480,081.43x = 720,574.11 × 243,593.83
  4. Step 4: Simplify right side
    480,081.43x = 175,527,407,253.74
  5. Step 5: Solve for x
    x = 175,527,407,253.74/480,081.43
  6. Step 6: Final answer
    x = 365,620.07

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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.