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Finding the Fourth Proportional to 347,677.37, 479,712.53 and 196,774.37

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Solution

The fourth proportional to 347,677.37, 479,712.53 and 196,774.37 is: 271,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,677.37 : 479,712.53 = 196,774.37 : x
  2. Step 2: Convert to fraction form
    347,677.37/479,712.53 = 196,774.37/x
  3. Step 3: Cross multiply
    347,677.37x = 479,712.53 × 196,774.37
  4. Step 4: Simplify right side
    347,677.37x = 94,395,128,965.23
  5. Step 5: Solve for x
    x = 94,395,128,965.23/347,677.37
  6. Step 6: Final answer
    x = 271,502.08

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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.