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Finding the Fourth Proportional to 590.67, 813.47 and 544.50

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Solution

The fourth proportional to 590.67, 813.47 and 544.50 is: 749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.67 : 813.47 = 544.50 : x
  2. Step 2: Convert to fraction form
    590.67/813.47 = 544.50/x
  3. Step 3: Cross multiply
    590.67x = 813.47 × 544.50
  4. Step 4: Simplify right side
    590.67x = 442,931.69
  5. Step 5: Solve for x
    x = 442,931.69/590.67
  6. Step 6: Final answer
    x = 749.88

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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.