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Finding the Fourth Proportional to 556,271.36, 834,131.02 and 177,142.68

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Solution

The fourth proportional to 556,271.36, 834,131.02 and 177,142.68 is: 265,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,271.36 : 834,131.02 = 177,142.68 : x
  2. Step 2: Convert to fraction form
    556,271.36/834,131.02 = 177,142.68/x
  3. Step 3: Cross multiply
    556,271.36x = 834,131.02 × 177,142.68
  4. Step 4: Simplify right side
    556,271.36x = 147,760,204,353.93
  5. Step 5: Solve for x
    x = 147,760,204,353.93/556,271.36
  6. Step 6: Final answer
    x = 265,626.12

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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.