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Finding the Fourth Proportional to 590.91, 880.21 and 562.83

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Solution

The fourth proportional to 590.91, 880.21 and 562.83 is: 838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.91 : 880.21 = 562.83 : x
  2. Step 2: Convert to fraction form
    590.91/880.21 = 562.83/x
  3. Step 3: Cross multiply
    590.91x = 880.21 × 562.83
  4. Step 4: Simplify right side
    590.91x = 495,407.19
  5. Step 5: Solve for x
    x = 495,407.19/590.91
  6. Step 6: Final answer
    x = 838.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.