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Finding the Fourth Proportional to 252,416.90, 348,463.85 and 194,927.15

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Solution

The fourth proportional to 252,416.90, 348,463.85 and 194,927.15 is: 269,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,416.90 : 348,463.85 = 194,927.15 : x
  2. Step 2: Convert to fraction form
    252,416.90/348,463.85 = 194,927.15/x
  3. Step 3: Cross multiply
    252,416.90x = 348,463.85 × 194,927.15
  4. Step 4: Simplify right side
    252,416.90x = 67,925,062,441.57
  5. Step 5: Solve for x
    x = 67,925,062,441.57/252,416.90
  6. Step 6: Final answer
    x = 269,098.72

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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.