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Finding the Fourth Proportional to 556,087.98, 834,003.99 and 331,511.70

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Solution

The fourth proportional to 556,087.98, 834,003.99 and 331,511.70 is: 497,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,087.98 : 834,003.99 = 331,511.70 : x
  2. Step 2: Convert to fraction form
    556,087.98/834,003.99 = 331,511.70/x
  3. Step 3: Cross multiply
    556,087.98x = 834,003.99 × 331,511.70
  4. Step 4: Simplify right side
    556,087.98x = 276,482,080,531.68
  5. Step 5: Solve for x
    x = 276,482,080,531.68/556,087.98
  6. Step 6: Final answer
    x = 497,191.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.