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Finding the Fourth Proportional to 1,694,551, 2,338,521 and 930,620.92

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Solution

The fourth proportional to 1,694,551, 2,338,521 and 930,620.92 is: 1,284,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,551 : 2,338,521 = 930,620.92 : x
  2. Step 2: Convert to fraction form
    1,694,551/2,338,521 = 930,620.92/x
  3. Step 3: Cross multiply
    1,694,551x = 2,338,521 × 930,620.92
  4. Step 4: Simplify right side
    1,694,551x = 2,176,276,564,459.32
  5. Step 5: Solve for x
    x = 2,176,276,564,459.32/1,694,551
  6. Step 6: Final answer
    x = 1,284,279.18

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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.