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Finding the Fourth Proportional to 370,838.97, 555,876.81 and 146,108.52

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Solution

The fourth proportional to 370,838.97, 555,876.81 and 146,108.52 is: 219,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,838.97 : 555,876.81 = 146,108.52 : x
  2. Step 2: Convert to fraction form
    370,838.97/555,876.81 = 146,108.52/x
  3. Step 3: Cross multiply
    370,838.97x = 555,876.81 × 146,108.52
  4. Step 4: Simplify right side
    370,838.97x = 81,218,338,011.42
  5. Step 5: Solve for x
    x = 81,218,338,011.42/370,838.97
  6. Step 6: Final answer
    x = 219,012.41

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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.