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Finding the Fourth Proportional to 616,826.32, 850,891.98 and 375,182.80

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Solution

The fourth proportional to 616,826.32, 850,891.98 and 375,182.80 is: 517,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,826.32 : 850,891.98 = 375,182.80 : x
  2. Step 2: Convert to fraction form
    616,826.32/850,891.98 = 375,182.80/x
  3. Step 3: Cross multiply
    616,826.32x = 850,891.98 × 375,182.80
  4. Step 4: Simplify right side
    616,826.32x = 319,240,035,553.94
  5. Step 5: Solve for x
    x = 319,240,035,553.94/616,826.32
  6. Step 6: Final answer
    x = 517,552.55

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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.