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Finding the Fourth Proportional to 537.76, 741.65 and 432.19

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Solution

The fourth proportional to 537.76, 741.65 and 432.19 is: 596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.76 : 741.65 = 432.19 : x
  2. Step 2: Convert to fraction form
    537.76/741.65 = 432.19/x
  3. Step 3: Cross multiply
    537.76x = 741.65 × 432.19
  4. Step 4: Simplify right side
    537.76x = 320,533.71
  5. Step 5: Solve for x
    x = 320,533.71/537.76
  6. Step 6: Final answer
    x = 596.05

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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.