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Finding the Fourth Proportional to 313,199.84, 433,354.92 and 272,997.92

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Solution

The fourth proportional to 313,199.84, 433,354.92 and 272,997.92 is: 377,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,199.84 : 433,354.92 = 272,997.92 : x
  2. Step 2: Convert to fraction form
    313,199.84/433,354.92 = 272,997.92/x
  3. Step 3: Cross multiply
    313,199.84x = 433,354.92 × 272,997.92
  4. Step 4: Simplify right side
    313,199.84x = 118,304,991,781.77
  5. Step 5: Solve for x
    x = 118,304,991,781.77/313,199.84
  6. Step 6: Final answer
    x = 377,730.05

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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.