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Finding the Fourth Proportional to 395,944.57, 546,854.58 and 268,398.73

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Solution

The fourth proportional to 395,944.57, 546,854.58 and 268,398.73 is: 370,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,944.57 : 546,854.58 = 268,398.73 : x
  2. Step 2: Convert to fraction form
    395,944.57/546,854.58 = 268,398.73/x
  3. Step 3: Cross multiply
    395,944.57x = 546,854.58 × 268,398.73
  4. Step 4: Simplify right side
    395,944.57x = 146,775,074,443.76
  5. Step 5: Solve for x
    x = 146,775,074,443.76/395,944.57
  6. Step 6: Final answer
    x = 370,696.01

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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.