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Finding the Fourth Proportional to 480,346.62, 662,871.87 and 265,490.43

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Solution

The fourth proportional to 480,346.62, 662,871.87 and 265,490.43 is: 366,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,346.62 : 662,871.87 = 265,490.43 : x
  2. Step 2: Convert to fraction form
    480,346.62/662,871.87 = 265,490.43/x
  3. Step 3: Cross multiply
    480,346.62x = 662,871.87 × 265,490.43
  4. Step 4: Simplify right side
    480,346.62x = 175,986,137,801.20
  5. Step 5: Solve for x
    x = 175,986,137,801.20/480,346.62
  6. Step 6: Final answer
    x = 366,373.22

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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.