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Finding the Fourth Proportional to 583.17, 873.86 and 461.13

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Solution

The fourth proportional to 583.17, 873.86 and 461.13 is: 690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.17 : 873.86 = 461.13 : x
  2. Step 2: Convert to fraction form
    583.17/873.86 = 461.13/x
  3. Step 3: Cross multiply
    583.17x = 873.86 × 461.13
  4. Step 4: Simplify right side
    583.17x = 402,960.76
  5. Step 5: Solve for x
    x = 402,960.76/583.17
  6. Step 6: Final answer
    x = 690.98

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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.