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Finding the Fourth Proportional to 486,065.58, 670,754.76 and 265,294.44

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Solution

The fourth proportional to 486,065.58, 670,754.76 and 265,294.44 is: 366,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,065.58 : 670,754.76 = 265,294.44 : x
  2. Step 2: Convert to fraction form
    486,065.58/670,754.76 = 265,294.44/x
  3. Step 3: Cross multiply
    486,065.58x = 670,754.76 × 265,294.44
  4. Step 4: Simplify right side
    486,065.58x = 177,947,508,431.53
  5. Step 5: Solve for x
    x = 177,947,508,431.53/486,065.58
  6. Step 6: Final answer
    x = 366,097.74

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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.