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Finding the Fourth Proportional to 1,904,819.98, 2,857,508.80 and 894,044.60

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Solution

The fourth proportional to 1,904,819.98, 2,857,508.80 and 894,044.60 is: 1,341,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,819.98 : 2,857,508.80 = 894,044.60 : x
  2. Step 2: Convert to fraction form
    1,904,819.98/2,857,508.80 = 894,044.60/x
  3. Step 3: Cross multiply
    1,904,819.98x = 2,857,508.80 × 894,044.60
  4. Step 4: Simplify right side
    1,904,819.98x = 2,554,740,312,092.48
  5. Step 5: Solve for x
    x = 2,554,740,312,092.48/1,904,819.98
  6. Step 6: Final answer
    x = 1,341,197.77

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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.