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Finding the Fourth Proportional to 644,880.76, 967,319.98 and 171,566.12

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Solution

The fourth proportional to 644,880.76, 967,319.98 and 171,566.12 is: 257,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,880.76 : 967,319.98 = 171,566.12 : x
  2. Step 2: Convert to fraction form
    644,880.76/967,319.98 = 171,566.12/x
  3. Step 3: Cross multiply
    644,880.76x = 967,319.98 × 171,566.12
  4. Step 4: Simplify right side
    644,880.76x = 165,959,335,767.08
  5. Step 5: Solve for x
    x = 165,959,335,767.08/644,880.76
  6. Step 6: Final answer
    x = 257,348.87

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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.