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Finding the Fourth Proportional to 439,991.17, 607,187.82 and 238,787.17

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Solution

The fourth proportional to 439,991.17, 607,187.82 and 238,787.17 is: 329,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,991.17 : 607,187.82 = 238,787.17 : x
  2. Step 2: Convert to fraction form
    439,991.17/607,187.82 = 238,787.17/x
  3. Step 3: Cross multiply
    439,991.17x = 607,187.82 × 238,787.17
  4. Step 4: Simplify right side
    439,991.17x = 144,988,661,196.27
  5. Step 5: Solve for x
    x = 144,988,661,196.27/439,991.17
  6. Step 6: Final answer
    x = 329,526.30

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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.