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Finding the Fourth Proportional to 1,639,684, 2,262,763.92 and 924,292

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Solution

The fourth proportional to 1,639,684, 2,262,763.92 and 924,292 is: 1,275,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,684 : 2,262,763.92 = 924,292 : x
  2. Step 2: Convert to fraction form
    1,639,684/2,262,763.92 = 924,292/x
  3. Step 3: Cross multiply
    1,639,684x = 2,262,763.92 × 924,292
  4. Step 4: Simplify right side
    1,639,684x = 2,091,454,589,144.64
  5. Step 5: Solve for x
    x = 2,091,454,589,144.64/1,639,684
  6. Step 6: Final answer
    x = 1,275,522.96

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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.