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Finding the Fourth Proportional to 463,506.32, 639,308.03 and 425,388.74

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Solution

The fourth proportional to 463,506.32, 639,308.03 and 425,388.74 is: 586,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,506.32 : 639,308.03 = 425,388.74 : x
  2. Step 2: Convert to fraction form
    463,506.32/639,308.03 = 425,388.74/x
  3. Step 3: Cross multiply
    463,506.32x = 639,308.03 × 425,388.74
  4. Step 4: Simplify right side
    463,506.32x = 271,954,432,030.10
  5. Step 5: Solve for x
    x = 271,954,432,030.10/463,506.32
  6. Step 6: Final answer
    x = 586,732.95

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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.