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Finding the Fourth Proportional to 267,384.04, 401,076.02 and 64,979

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Solution

The fourth proportional to 267,384.04, 401,076.02 and 64,979 is: 97,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,384.04 : 401,076.02 = 64,979 : x
  2. Step 2: Convert to fraction form
    267,384.04/401,076.02 = 64,979/x
  3. Step 3: Cross multiply
    267,384.04x = 401,076.02 × 64,979
  4. Step 4: Simplify right side
    267,384.04x = 26,061,518,703.58
  5. Step 5: Solve for x
    x = 26,061,518,703.58/267,384.04
  6. Step 6: Final answer
    x = 97,468.49

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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.