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Finding the Fourth Proportional to 611,622.29, 844,044.10 and 339,694.97

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Solution

The fourth proportional to 611,622.29, 844,044.10 and 339,694.97 is: 468,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,622.29 : 844,044.10 = 339,694.97 : x
  2. Step 2: Convert to fraction form
    611,622.29/844,044.10 = 339,694.97/x
  3. Step 3: Cross multiply
    611,622.29x = 844,044.10 × 339,694.97
  4. Step 4: Simplify right side
    611,622.29x = 286,717,530,158.72
  5. Step 5: Solve for x
    x = 286,717,530,158.72/611,622.29
  6. Step 6: Final answer
    x = 468,782.01

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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.