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Finding the Fourth Proportional to 595.42, 818.21 and 497.00

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Solution

The fourth proportional to 595.42, 818.21 and 497.00 is: 682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.42 : 818.21 = 497.00 : x
  2. Step 2: Convert to fraction form
    595.42/818.21 = 497.00/x
  3. Step 3: Cross multiply
    595.42x = 818.21 × 497.00
  4. Step 4: Simplify right side
    595.42x = 406,653.66
  5. Step 5: Solve for x
    x = 406,653.66/595.42
  6. Step 6: Final answer
    x = 682.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.