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Finding the Fourth Proportional to 403,082.55, 604,603.89 and 150,343.34

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Solution

The fourth proportional to 403,082.55, 604,603.89 and 150,343.34 is: 225,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,082.55 : 604,603.89 = 150,343.34 : x
  2. Step 2: Convert to fraction form
    403,082.55/604,603.89 = 150,343.34/x
  3. Step 3: Cross multiply
    403,082.55x = 604,603.89 × 150,343.34
  4. Step 4: Simplify right side
    403,082.55x = 90,898,165,176.57
  5. Step 5: Solve for x
    x = 90,898,165,176.57/403,082.55
  6. Step 6: Final answer
    x = 225,507.57

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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.