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Finding the Fourth Proportional to 582,840.64, 873,960.16 and 267,026.88

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Solution

The fourth proportional to 582,840.64, 873,960.16 and 267,026.88 is: 400,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,840.64 : 873,960.16 = 267,026.88 : x
  2. Step 2: Convert to fraction form
    582,840.64/873,960.16 = 267,026.88/x
  3. Step 3: Cross multiply
    582,840.64x = 873,960.16 × 267,026.88
  4. Step 4: Simplify right side
    582,840.64x = 233,370,854,769.10
  5. Step 5: Solve for x
    x = 233,370,854,769.10/582,840.64
  6. Step 6: Final answer
    x = 400,402.51

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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.