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Finding the Fourth Proportional to 556,228.60, 834,300.98 and 177,134.02

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Solution

The fourth proportional to 556,228.60, 834,300.98 and 177,134.02 is: 265,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,228.60 : 834,300.98 = 177,134.02 : x
  2. Step 2: Convert to fraction form
    556,228.60/834,300.98 = 177,134.02/x
  3. Step 3: Cross multiply
    556,228.60x = 834,300.98 × 177,134.02
  4. Step 4: Simplify right side
    556,228.60x = 147,783,083,505.92
  5. Step 5: Solve for x
    x = 147,783,083,505.92/556,228.60
  6. Step 6: Final answer
    x = 265,687.68

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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.