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Finding the Fourth Proportional to 236,404.20, 319,767.75 and 236,404.20

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Solution

The fourth proportional to 236,404.20, 319,767.75 and 236,404.20 is: 319,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,404.20 : 319,767.75 = 236,404.20 : x
  2. Step 2: Convert to fraction form
    236,404.20/319,767.75 = 236,404.20/x
  3. Step 3: Cross multiply
    236,404.20x = 319,767.75 × 236,404.20
  4. Step 4: Simplify right side
    236,404.20x = 75,594,439,124.55
  5. Step 5: Solve for x
    x = 75,594,439,124.55/236,404.20
  6. Step 6: Final answer
    x = 319,767.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.