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Finding the Fourth Proportional to 611,199.39, 843,414.17 and 369,615.17

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Solution

The fourth proportional to 611,199.39, 843,414.17 and 369,615.17 is: 510,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,199.39 : 843,414.17 = 369,615.17 : x
  2. Step 2: Convert to fraction form
    611,199.39/843,414.17 = 369,615.17/x
  3. Step 3: Cross multiply
    611,199.39x = 843,414.17 × 369,615.17
  4. Step 4: Simplify right side
    611,199.39x = 311,738,665,759.81
  5. Step 5: Solve for x
    x = 311,738,665,759.81/611,199.39
  6. Step 6: Final answer
    x = 510,044.14

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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.