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Finding the Fourth Proportional to 592.13, 887.79 and 317.95

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Solution

The fourth proportional to 592.13, 887.79 and 317.95 is: 476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.13 : 887.79 = 317.95 : x
  2. Step 2: Convert to fraction form
    592.13/887.79 = 317.95/x
  3. Step 3: Cross multiply
    592.13x = 887.79 × 317.95
  4. Step 4: Simplify right side
    592.13x = 282,271.80
  5. Step 5: Solve for x
    x = 282,271.80/592.13
  6. Step 6: Final answer
    x = 476.70

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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.