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Finding the Fourth Proportional to 590.61, 814.46 and 466.02

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Solution

The fourth proportional to 590.61, 814.46 and 466.02 is: 642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.61 : 814.46 = 466.02 : x
  2. Step 2: Convert to fraction form
    590.61/814.46 = 466.02/x
  3. Step 3: Cross multiply
    590.61x = 814.46 × 466.02
  4. Step 4: Simplify right side
    590.61x = 379,552.32
  5. Step 5: Solve for x
    x = 379,552.32/590.61
  6. Step 6: Final answer
    x = 642.65

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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.