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Finding the Fourth Proportional to 3,557,394, 5,336,104.50 and 861,714

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Solution

The fourth proportional to 3,557,394, 5,336,104.50 and 861,714 is: 1,292,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,394 : 5,336,104.50 = 861,714 : x
  2. Step 2: Convert to fraction form
    3,557,394/5,336,104.50 = 861,714/x
  3. Step 3: Cross multiply
    3,557,394x = 5,336,104.50 × 861,714
  4. Step 4: Simplify right side
    3,557,394x = 4,598,195,953,113
  5. Step 5: Solve for x
    x = 4,598,195,953,113/3,557,394
  6. Step 6: Final answer
    x = 1,292,574.27

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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.