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Finding the Fourth Proportional to 702,658.83, 1,053,990.75 and 170,180.22

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Solution

The fourth proportional to 702,658.83, 1,053,990.75 and 170,180.22 is: 255,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,658.83 : 1,053,990.75 = 170,180.22 : x
  2. Step 2: Convert to fraction form
    702,658.83/1,053,990.75 = 170,180.22/x
  3. Step 3: Cross multiply
    702,658.83x = 1,053,990.75 × 170,180.22
  4. Step 4: Simplify right side
    702,658.83x = 179,368,377,712.97
  5. Step 5: Solve for x
    x = 179,368,377,712.97/702,658.83
  6. Step 6: Final answer
    x = 255,270.94

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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.