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Finding the Fourth Proportional to 580,045.01, 870,067.58 and 180,717.98

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Solution

The fourth proportional to 580,045.01, 870,067.58 and 180,717.98 is: 271,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,045.01 : 870,067.58 = 180,717.98 : x
  2. Step 2: Convert to fraction form
    580,045.01/870,067.58 = 180,717.98/x
  3. Step 3: Cross multiply
    580,045.01x = 870,067.58 × 180,717.98
  4. Step 4: Simplify right side
    580,045.01x = 157,236,850,267.16
  5. Step 5: Solve for x
    x = 157,236,850,267.16/580,045.01
  6. Step 6: Final answer
    x = 271,076.98

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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.