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Finding the Fourth Proportional to 463,383.84, 639,139.92 and 425,266.56

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Solution

The fourth proportional to 463,383.84, 639,139.92 and 425,266.56 is: 586,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,383.84 : 639,139.92 = 425,266.56 : x
  2. Step 2: Convert to fraction form
    463,383.84/639,139.92 = 425,266.56/x
  3. Step 3: Cross multiply
    463,383.84x = 639,139.92 × 425,266.56
  4. Step 4: Simplify right side
    463,383.84x = 271,804,835,137.08
  5. Step 5: Solve for x
    x = 271,804,835,137.08/463,383.84
  6. Step 6: Final answer
    x = 586,565.20

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