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Finding the Fourth Proportional to 268,889.70, 403,334.55 and 169,356.90

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Solution

The fourth proportional to 268,889.70, 403,334.55 and 169,356.90 is: 254,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,889.70 : 403,334.55 = 169,356.90 : x
  2. Step 2: Convert to fraction form
    268,889.70/403,334.55 = 169,356.90/x
  3. Step 3: Cross multiply
    268,889.70x = 403,334.55 × 169,356.90
  4. Step 4: Simplify right side
    268,889.70x = 68,307,489,050.90
  5. Step 5: Solve for x
    x = 68,307,489,050.90/268,889.70
  6. Step 6: Final answer
    x = 254,035.35

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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.