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Finding the Fourth Proportional to 480,592.66, 663,171.11 and 265,703.30

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Solution

The fourth proportional to 480,592.66, 663,171.11 and 265,703.30 is: 366,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,592.66 : 663,171.11 = 265,703.30 : x
  2. Step 2: Convert to fraction form
    480,592.66/663,171.11 = 265,703.30/x
  3. Step 3: Cross multiply
    480,592.66x = 663,171.11 × 265,703.30
  4. Step 4: Simplify right side
    480,592.66x = 176,206,752,391.66
  5. Step 5: Solve for x
    x = 176,206,752,391.66/480,592.66
  6. Step 6: Final answer
    x = 366,644.70

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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.