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Finding the Fourth Proportional to 556,616.70, 834,876.45 and 182,639.70

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Solution

The fourth proportional to 556,616.70, 834,876.45 and 182,639.70 is: 273,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,616.70 : 834,876.45 = 182,639.70 : x
  2. Step 2: Convert to fraction form
    556,616.70/834,876.45 = 182,639.70/x
  3. Step 3: Cross multiply
    556,616.70x = 834,876.45 × 182,639.70
  4. Step 4: Simplify right side
    556,616.70x = 152,481,584,365.07
  5. Step 5: Solve for x
    x = 152,481,584,365.07/556,616.70
  6. Step 6: Final answer
    x = 273,943.60

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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.