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Finding the Fourth Proportional to 467,302.15, 644,876.16 and 252,441.55

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Solution

The fourth proportional to 467,302.15, 644,876.16 and 252,441.55 is: 348,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,302.15 : 644,876.16 = 252,441.55 : x
  2. Step 2: Convert to fraction form
    467,302.15/644,876.16 = 252,441.55/x
  3. Step 3: Cross multiply
    467,302.15x = 644,876.16 × 252,441.55
  4. Step 4: Simplify right side
    467,302.15x = 162,793,537,388.45
  5. Step 5: Solve for x
    x = 162,793,537,388.45/467,302.15
  6. Step 6: Final answer
    x = 348,368.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.