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Finding the Fourth Proportional to 480,644.82, 663,294.15 and 265,799.34

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Solution

The fourth proportional to 480,644.82, 663,294.15 and 265,799.34 is: 366,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,644.82 : 663,294.15 = 265,799.34 : x
  2. Step 2: Convert to fraction form
    480,644.82/663,294.15 = 265,799.34/x
  3. Step 3: Cross multiply
    480,644.82x = 663,294.15 × 265,799.34
  4. Step 4: Simplify right side
    480,644.82x = 176,303,147,295.86
  5. Step 5: Solve for x
    x = 176,303,147,295.86/480,644.82
  6. Step 6: Final answer
    x = 366,805.47

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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.