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Finding the Fourth Proportional to 562,920.62, 844,382.61 and 136,454.76

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Solution

The fourth proportional to 562,920.62, 844,382.61 and 136,454.76 is: 204,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,920.62 : 844,382.61 = 136,454.76 : x
  2. Step 2: Convert to fraction form
    562,920.62/844,382.61 = 136,454.76/x
  3. Step 3: Cross multiply
    562,920.62x = 844,382.61 × 136,454.76
  4. Step 4: Simplify right side
    562,920.62x = 115,220,026,395.72
  5. Step 5: Solve for x
    x = 115,220,026,395.72/562,920.62
  6. Step 6: Final answer
    x = 204,682.55

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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.