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Finding the Fourth Proportional to 644,871.76, 967,306.48 and 171,557.12

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Solution

The fourth proportional to 644,871.76, 967,306.48 and 171,557.12 is: 257,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,871.76 : 967,306.48 = 171,557.12 : x
  2. Step 2: Convert to fraction form
    644,871.76/967,306.48 = 171,557.12/x
  3. Step 3: Cross multiply
    644,871.76x = 967,306.48 × 171,557.12
  4. Step 4: Simplify right side
    644,871.76x = 165,948,313,866.14
  5. Step 5: Solve for x
    x = 165,948,313,866.14/644,871.76
  6. Step 6: Final answer
    x = 257,335.37

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1.5x scale

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.