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Finding the Fourth Proportional to 480,737.23, 663,427.36 and 265,891.82

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Solution

The fourth proportional to 480,737.23, 663,427.36 and 265,891.82 is: 366,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,737.23 : 663,427.36 = 265,891.82 : x
  2. Step 2: Convert to fraction form
    480,737.23/663,427.36 = 265,891.82/x
  3. Step 3: Cross multiply
    480,737.23x = 663,427.36 × 265,891.82
  4. Step 4: Simplify right side
    480,737.23x = 176,399,905,203.42
  5. Step 5: Solve for x
    x = 176,399,905,203.42/480,737.23
  6. Step 6: Final answer
    x = 366,936.23

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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.