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Finding the Fourth Proportional to 556,049.65, 834,074.56 and 135,325.53

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Solution

The fourth proportional to 556,049.65, 834,074.56 and 135,325.53 is: 202,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,049.65 : 834,074.56 = 135,325.53 : x
  2. Step 2: Convert to fraction form
    556,049.65/834,074.56 = 135,325.53/x
  3. Step 3: Cross multiply
    556,049.65x = 834,074.56 × 135,325.53
  4. Step 4: Simplify right side
    556,049.65x = 112,871,581,214.89
  5. Step 5: Solve for x
    x = 112,871,581,214.89/556,049.65
  6. Step 6: Final answer
    x = 202,988.31

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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.