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Finding the Fourth Proportional to 591.67, 816.07 and 434.25

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Solution

The fourth proportional to 591.67, 816.07 and 434.25 is: 598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.67 : 816.07 = 434.25 : x
  2. Step 2: Convert to fraction form
    591.67/816.07 = 434.25/x
  3. Step 3: Cross multiply
    591.67x = 816.07 × 434.25
  4. Step 4: Simplify right side
    591.67x = 354,378.13
  5. Step 5: Solve for x
    x = 354,378.13/591.67
  6. Step 6: Final answer
    x = 598.94

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Double scale
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1.5x scale

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.