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Finding the Fourth Proportional to 268,367.91, 370,348.52 and 147,521.58

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Solution

The fourth proportional to 268,367.91, 370,348.52 and 147,521.58 is: 203,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,367.91 : 370,348.52 = 147,521.58 : x
  2. Step 2: Convert to fraction form
    268,367.91/370,348.52 = 147,521.58/x
  3. Step 3: Cross multiply
    268,367.91x = 370,348.52 × 147,521.58
  4. Step 4: Simplify right side
    268,367.91x = 54,634,397,943.70
  5. Step 5: Solve for x
    x = 54,634,397,943.70/268,367.91
  6. Step 6: Final answer
    x = 203,580.22

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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.