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Finding the Fourth Proportional to 347,671.58, 521,502.97 and 111,011.26

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Solution

The fourth proportional to 347,671.58, 521,502.97 and 111,011.26 is: 166,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,671.58 : 521,502.97 = 111,011.26 : x
  2. Step 2: Convert to fraction form
    347,671.58/521,502.97 = 111,011.26/x
  3. Step 3: Cross multiply
    347,671.58x = 521,502.97 × 111,011.26
  4. Step 4: Simplify right side
    347,671.58x = 57,892,701,793.44
  5. Step 5: Solve for x
    x = 57,892,701,793.44/347,671.58
  6. Step 6: Final answer
    x = 166,515.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.