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Finding the Fourth Proportional to 268,532.57, 402,798.86 and 127,864.73

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Solution

The fourth proportional to 268,532.57, 402,798.86 and 127,864.73 is: 191,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,532.57 : 402,798.86 = 127,864.73 : x
  2. Step 2: Convert to fraction form
    268,532.57/402,798.86 = 127,864.73/x
  3. Step 3: Cross multiply
    268,532.57x = 402,798.86 × 127,864.73
  4. Step 4: Simplify right side
    268,532.57x = 51,503,768,325.37
  5. Step 5: Solve for x
    x = 51,503,768,325.37/268,532.57
  6. Step 6: Final answer
    x = 191,797.10

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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.