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Finding the Fourth Proportional to 347,027.30, 478,894.97 and 194,065.79

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Solution

The fourth proportional to 347,027.30, 478,894.97 and 194,065.79 is: 267,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,027.30 : 478,894.97 = 194,065.79 : x
  2. Step 2: Convert to fraction form
    347,027.30/478,894.97 = 194,065.79/x
  3. Step 3: Cross multiply
    347,027.30x = 478,894.97 × 194,065.79
  4. Step 4: Simplify right side
    347,027.30x = 92,937,127,315.27
  5. Step 5: Solve for x
    x = 92,937,127,315.27/347,027.30
  6. Step 6: Final answer
    x = 267,809.27

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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.