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Finding the Fourth Proportional to 346,585.97, 478,234.72 and 195,679.73

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Solution

The fourth proportional to 346,585.97, 478,234.72 and 195,679.73 is: 270,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,585.97 : 478,234.72 = 195,679.73 : x
  2. Step 2: Convert to fraction form
    346,585.97/478,234.72 = 195,679.73/x
  3. Step 3: Cross multiply
    346,585.97x = 478,234.72 × 195,679.73
  4. Step 4: Simplify right side
    346,585.97x = 93,580,840,886.23
  5. Step 5: Solve for x
    x = 93,580,840,886.23/346,585.97
  6. Step 6: Final answer
    x = 270,007.59

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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.