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Finding the Fourth Proportional to 268,548.92, 370,590.12 and 147,690.20

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Solution

The fourth proportional to 268,548.92, 370,590.12 and 147,690.20 is: 203,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,548.92 : 370,590.12 = 147,690.20 : x
  2. Step 2: Convert to fraction form
    268,548.92/370,590.12 = 147,690.20/x
  3. Step 3: Cross multiply
    268,548.92x = 370,590.12 × 147,690.20
  4. Step 4: Simplify right side
    268,548.92x = 54,732,528,940.82
  5. Step 5: Solve for x
    x = 54,732,528,940.82/268,548.92
  6. Step 6: Final answer
    x = 203,808.41

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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.