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Finding the Fourth Proportional to 556,406.20, 834,560.70 and 182,429.20

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Solution

The fourth proportional to 556,406.20, 834,560.70 and 182,429.20 is: 273,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,406.20 : 834,560.70 = 182,429.20 : x
  2. Step 2: Convert to fraction form
    556,406.20/834,560.70 = 182,429.20/x
  3. Step 3: Cross multiply
    556,406.20x = 834,560.70 × 182,429.20
  4. Step 4: Simplify right side
    556,406.20x = 152,248,240,852.44
  5. Step 5: Solve for x
    x = 152,248,240,852.44/556,406.20
  6. Step 6: Final answer
    x = 273,627.87

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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.