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Finding the Fourth Proportional to 583.56, 803.79 and 466.92

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Solution

The fourth proportional to 583.56, 803.79 and 466.92 is: 643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.56 : 803.79 = 466.92 : x
  2. Step 2: Convert to fraction form
    583.56/803.79 = 466.92/x
  3. Step 3: Cross multiply
    583.56x = 803.79 × 466.92
  4. Step 4: Simplify right side
    583.56x = 375,305.63
  5. Step 5: Solve for x
    x = 375,305.63/583.56
  6. Step 6: Final answer
    x = 643.13

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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.