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Finding the Fourth Proportional to 561,841.16, 842,878.38 and 187,854.44

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Solution

The fourth proportional to 561,841.16, 842,878.38 and 187,854.44 is: 281,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,841.16 : 842,878.38 = 187,854.44 : x
  2. Step 2: Convert to fraction form
    561,841.16/842,878.38 = 187,854.44/x
  3. Step 3: Cross multiply
    561,841.16x = 842,878.38 × 187,854.44
  4. Step 4: Simplify right side
    561,841.16x = 158,338,443,486.18
  5. Step 5: Solve for x
    x = 158,338,443,486.18/561,841.16
  6. Step 6: Final answer
    x = 281,820.66

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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.