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Finding the Fourth Proportional to 371,508.33, 557,256.49 and 146,870.85

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Solution

The fourth proportional to 371,508.33, 557,256.49 and 146,870.85 is: 220,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,508.33 : 557,256.49 = 146,870.85 : x
  2. Step 2: Convert to fraction form
    371,508.33/557,256.49 = 146,870.85/x
  3. Step 3: Cross multiply
    371,508.33x = 557,256.49 × 146,870.85
  4. Step 4: Simplify right side
    371,508.33x = 81,844,733,619.96
  5. Step 5: Solve for x
    x = 81,844,733,619.96/371,508.33
  6. Step 6: Final answer
    x = 220,303.90

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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.