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Finding the Fourth Proportional to 403,676.64, 604,717.92 and 234,772.20

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Solution

The fourth proportional to 403,676.64, 604,717.92 and 234,772.20 is: 351,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,676.64 : 604,717.92 = 234,772.20 : x
  2. Step 2: Convert to fraction form
    403,676.64/604,717.92 = 234,772.20/x
  3. Step 3: Cross multiply
    403,676.64x = 604,717.92 × 234,772.20
  4. Step 4: Simplify right side
    403,676.64x = 141,970,956,457.82
  5. Step 5: Solve for x
    x = 141,970,956,457.82/403,676.64
  6. Step 6: Final answer
    x = 351,694.75

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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.