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Finding the Fourth Proportional to 351,673.80, 526,876.47 and 216,502.62

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Solution

The fourth proportional to 351,673.80, 526,876.47 and 216,502.62 is: 324,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,673.80 : 526,876.47 = 216,502.62 : x
  2. Step 2: Convert to fraction form
    351,673.80/526,876.47 = 216,502.62/x
  3. Step 3: Cross multiply
    351,673.80x = 526,876.47 × 216,502.62
  4. Step 4: Simplify right side
    351,673.80x = 114,070,136,171.35
  5. Step 5: Solve for x
    x = 114,070,136,171.35/351,673.80
  6. Step 6: Final answer
    x = 324,363.48

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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.