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Finding the Fourth Proportional to 683,082.55, 942,648.61 and 377,158.91

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Solution

The fourth proportional to 683,082.55, 942,648.61 and 377,158.91 is: 520,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,082.55 : 942,648.61 = 377,158.91 : x
  2. Step 2: Convert to fraction form
    683,082.55/942,648.61 = 377,158.91/x
  3. Step 3: Cross multiply
    683,082.55x = 942,648.61 × 377,158.91
  4. Step 4: Simplify right side
    683,082.55x = 355,528,322,260.62
  5. Step 5: Solve for x
    x = 355,528,322,260.62/683,082.55
  6. Step 6: Final answer
    x = 520,476.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.