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Finding the Fourth Proportional to 591.74, 816.93 and 473.32

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Solution

The fourth proportional to 591.74, 816.93 and 473.32 is: 653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.74 : 816.93 = 473.32 : x
  2. Step 2: Convert to fraction form
    591.74/816.93 = 473.32/x
  3. Step 3: Cross multiply
    591.74x = 816.93 × 473.32
  4. Step 4: Simplify right side
    591.74x = 386,667.27
  5. Step 5: Solve for x
    x = 386,667.27/591.74
  6. Step 6: Final answer
    x = 653.45

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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.