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Finding the Fourth Proportional to 236,401.70, 319,764.38 and 236,401.70

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Solution

The fourth proportional to 236,401.70, 319,764.38 and 236,401.70 is: 319,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,401.70 : 319,764.38 = 236,401.70 : x
  2. Step 2: Convert to fraction form
    236,401.70/319,764.38 = 236,401.70/x
  3. Step 3: Cross multiply
    236,401.70x = 319,764.38 × 236,401.70
  4. Step 4: Simplify right side
    236,401.70x = 75,592,841,849.44
  5. Step 5: Solve for x
    x = 75,592,841,849.44/236,401.70
  6. Step 6: Final answer
    x = 319,764.38

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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.