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Finding the Fourth Proportional to 265,013.09, 397,521.95 and 75,473.28

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Solution

The fourth proportional to 265,013.09, 397,521.95 and 75,473.28 is: 113,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,013.09 : 397,521.95 = 75,473.28 : x
  2. Step 2: Convert to fraction form
    265,013.09/397,521.95 = 75,473.28/x
  3. Step 3: Cross multiply
    265,013.09x = 397,521.95 × 75,473.28
  4. Step 4: Simplify right side
    265,013.09x = 30,002,285,061.13
  5. Step 5: Solve for x
    x = 30,002,285,061.13/265,013.09
  6. Step 6: Final answer
    x = 113,210.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.