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Finding the Fourth Proportional to 556,311.65, 834,532.61 and 177,099.53

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Solution

The fourth proportional to 556,311.65, 834,532.61 and 177,099.53 is: 265,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,311.65 : 834,532.61 = 177,099.53 : x
  2. Step 2: Convert to fraction form
    556,311.65/834,532.61 = 177,099.53/x
  3. Step 3: Cross multiply
    556,311.65x = 834,532.61 × 177,099.53
  4. Step 4: Simplify right side
    556,311.65x = 147,795,327,942.51
  5. Step 5: Solve for x
    x = 147,795,327,942.51/556,311.65
  6. Step 6: Final answer
    x = 265,670.02

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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.