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Finding the Fourth Proportional to 268,222.40, 402,592.80 and 163,246.40

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Solution

The fourth proportional to 268,222.40, 402,592.80 and 163,246.40 is: 245,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,222.40 : 402,592.80 = 163,246.40 : x
  2. Step 2: Convert to fraction form
    268,222.40/402,592.80 = 163,246.40/x
  3. Step 3: Cross multiply
    268,222.40x = 402,592.80 × 163,246.40
  4. Step 4: Simplify right side
    268,222.40x = 65,721,825,265.92
  5. Step 5: Solve for x
    x = 65,721,825,265.92/268,222.40
  6. Step 6: Final answer
    x = 245,027.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.