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Finding the Fourth Proportional to 480,195.43, 662,651.89 and 265,331.05

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Solution

The fourth proportional to 480,195.43, 662,651.89 and 265,331.05 is: 366,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,195.43 : 662,651.89 = 265,331.05 : x
  2. Step 2: Convert to fraction form
    480,195.43/662,651.89 = 265,331.05/x
  3. Step 3: Cross multiply
    480,195.43x = 662,651.89 × 265,331.05
  4. Step 4: Simplify right side
    480,195.43x = 175,822,121,758.19
  5. Step 5: Solve for x
    x = 175,822,121,758.19/480,195.43
  6. Step 6: Final answer
    x = 366,147.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.