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Finding the Fourth Proportional to 611,666.88, 844,093.44 and 339,737.28

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Solution

The fourth proportional to 611,666.88, 844,093.44 and 339,737.28 is: 468,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,666.88 : 844,093.44 = 339,737.28 : x
  2. Step 2: Convert to fraction form
    611,666.88/844,093.44 = 339,737.28/x
  3. Step 3: Cross multiply
    611,666.88x = 844,093.44 × 339,737.28
  4. Step 4: Simplify right side
    611,666.88x = 286,770,009,371.44
  5. Step 5: Solve for x
    x = 286,770,009,371.44/611,666.88
  6. Step 6: Final answer
    x = 468,833.64

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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.