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Finding the Fourth Proportional to 429,552.52, 644,329.26 and 163,250.44

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Solution

The fourth proportional to 429,552.52, 644,329.26 and 163,250.44 is: 244,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,552.52 : 644,329.26 = 163,250.44 : x
  2. Step 2: Convert to fraction form
    429,552.52/644,329.26 = 163,250.44/x
  3. Step 3: Cross multiply
    429,552.52x = 644,329.26 × 163,250.44
  4. Step 4: Simplify right side
    429,552.52x = 105,187,035,199.87
  5. Step 5: Solve for x
    x = 105,187,035,199.87/429,552.52
  6. Step 6: Final answer
    x = 244,875.84

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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.