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Finding the Fourth Proportional to 495.76, 744.12 and 358.16

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Solution

The fourth proportional to 495.76, 744.12 and 358.16 is: 537.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.76 : 744.12 = 358.16 : x
  2. Step 2: Convert to fraction form
    495.76/744.12 = 358.16/x
  3. Step 3: Cross multiply
    495.76x = 744.12 × 358.16
  4. Step 4: Simplify right side
    495.76x = 266,514.02
  5. Step 5: Solve for x
    x = 266,514.02/495.76
  6. Step 6: Final answer
    x = 537.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.