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Finding the Fourth Proportional to 556,479.19, 834,785.63 and 196,576.13

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Solution

The fourth proportional to 556,479.19, 834,785.63 and 196,576.13 is: 294,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,479.19 : 834,785.63 = 196,576.13 : x
  2. Step 2: Convert to fraction form
    556,479.19/834,785.63 = 196,576.13/x
  3. Step 3: Cross multiply
    556,479.19x = 834,785.63 × 196,576.13
  4. Step 4: Simplify right side
    556,479.19x = 164,098,928,525.01
  5. Step 5: Solve for x
    x = 164,098,928,525.01/556,479.19
  6. Step 6: Final answer
    x = 294,887.81

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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.