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Finding the Fourth Proportional to 556,510.38, 834,826.86 and 177,342.90

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Solution

The fourth proportional to 556,510.38, 834,826.86 and 177,342.90 is: 266,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,510.38 : 834,826.86 = 177,342.90 : x
  2. Step 2: Convert to fraction form
    556,510.38/834,826.86 = 177,342.90/x
  3. Step 3: Cross multiply
    556,510.38x = 834,826.86 × 177,342.90
  4. Step 4: Simplify right side
    556,510.38x = 148,050,616,350.29
  5. Step 5: Solve for x
    x = 148,050,616,350.29/556,510.38
  6. Step 6: Final answer
    x = 266,033.88

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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.