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Finding the Fourth Proportional to 268,333.36, 370,308.92 and 147,478.92

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Solution

The fourth proportional to 268,333.36, 370,308.92 and 147,478.92 is: 203,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,333.36 : 370,308.92 = 147,478.92 : x
  2. Step 2: Convert to fraction form
    268,333.36/370,308.92 = 147,478.92/x
  3. Step 3: Cross multiply
    268,333.36x = 370,308.92 × 147,478.92
  4. Step 4: Simplify right side
    268,333.36x = 54,612,759,587.97
  5. Step 5: Solve for x
    x = 54,612,759,587.97/268,333.36
  6. Step 6: Final answer
    x = 203,525.79

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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.