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Finding the Fourth Proportional to 228,498.33, 315,337.59 and 126,523.80

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Solution

The fourth proportional to 228,498.33, 315,337.59 and 126,523.80 is: 174,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,498.33 : 315,337.59 = 126,523.80 : x
  2. Step 2: Convert to fraction form
    228,498.33/315,337.59 = 126,523.80/x
  3. Step 3: Cross multiply
    228,498.33x = 315,337.59 × 126,523.80
  4. Step 4: Simplify right side
    228,498.33x = 39,897,710,169.64
  5. Step 5: Solve for x
    x = 39,897,710,169.64/228,498.33
  6. Step 6: Final answer
    x = 174,608.32

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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.