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Finding the Fourth Proportional to 641,188.84, 884,833.94 and 350,797.66

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Solution

The fourth proportional to 641,188.84, 884,833.94 and 350,797.66 is: 484,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,188.84 : 884,833.94 = 350,797.66 : x
  2. Step 2: Convert to fraction form
    641,188.84/884,833.94 = 350,797.66/x
  3. Step 3: Cross multiply
    641,188.84x = 884,833.94 × 350,797.66
  4. Step 4: Simplify right side
    641,188.84x = 310,397,675,640.58
  5. Step 5: Solve for x
    x = 310,397,675,640.58/641,188.84
  6. Step 6: Final answer
    x = 484,097.13

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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.