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Finding the Fourth Proportional to 946.15, 1,306.33 and 592.22

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Solution

The fourth proportional to 946.15, 1,306.33 and 592.22 is: 817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    946.15 : 1,306.33 = 592.22 : x
  2. Step 2: Convert to fraction form
    946.15/1,306.33 = 592.22/x
  3. Step 3: Cross multiply
    946.15x = 1,306.33 × 592.22
  4. Step 4: Simplify right side
    946.15x = 773,633.86
  5. Step 5: Solve for x
    x = 773,633.86/946.15
  6. Step 6: Final answer
    x = 817.66

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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.