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Finding the Fourth Proportional to 375,759.84, 518,546.67 and 203,677.11

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Solution

The fourth proportional to 375,759.84, 518,546.67 and 203,677.11 is: 281,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,759.84 : 518,546.67 = 203,677.11 : x
  2. Step 2: Convert to fraction form
    375,759.84/518,546.67 = 203,677.11/x
  3. Step 3: Cross multiply
    375,759.84x = 518,546.67 × 203,677.11
  4. Step 4: Simplify right side
    375,759.84x = 105,616,087,145.72
  5. Step 5: Solve for x
    x = 105,616,087,145.72/375,759.84
  6. Step 6: Final answer
    x = 281,073.38

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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.