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Finding the Fourth Proportional to 555,082.77, 831,765.94 and 433,214.36

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Solution

The fourth proportional to 555,082.77, 831,765.94 and 433,214.36 is: 649,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,082.77 : 831,765.94 = 433,214.36 : x
  2. Step 2: Convert to fraction form
    555,082.77/831,765.94 = 433,214.36/x
  3. Step 3: Cross multiply
    555,082.77x = 831,765.94 × 433,214.36
  4. Step 4: Simplify right side
    555,082.77x = 360,332,947,244.16
  5. Step 5: Solve for x
    x = 360,332,947,244.16/555,082.77
  6. Step 6: Final answer
    x = 649,151.74

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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.