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Finding the Fourth Proportional to 268,612.69, 370,694.34 and 147,763.27

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Solution

The fourth proportional to 268,612.69, 370,694.34 and 147,763.27 is: 203,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,612.69 : 370,694.34 = 147,763.27 : x
  2. Step 2: Convert to fraction form
    268,612.69/370,694.34 = 147,763.27/x
  3. Step 3: Cross multiply
    268,612.69x = 370,694.34 × 147,763.27
  4. Step 4: Simplify right side
    268,612.69x = 54,775,007,848.89
  5. Step 5: Solve for x
    x = 54,775,007,848.89/268,612.69
  6. Step 6: Final answer
    x = 203,918.17

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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.