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Finding the Fourth Proportional to 268,479.36, 370,491.84 and 160,986.24

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Solution

The fourth proportional to 268,479.36, 370,491.84 and 160,986.24 is: 222,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,479.36 : 370,491.84 = 160,986.24 : x
  2. Step 2: Convert to fraction form
    268,479.36/370,491.84 = 160,986.24/x
  3. Step 3: Cross multiply
    268,479.36x = 370,491.84 × 160,986.24
  4. Step 4: Simplify right side
    268,479.36x = 59,644,088,272.28
  5. Step 5: Solve for x
    x = 59,644,088,272.28/268,479.36
  6. Step 6: Final answer
    x = 222,155.21

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1.5x scale

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.