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Finding the Fourth Proportional to 555.96, 832.86 and 363

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Solution

The fourth proportional to 555.96, 832.86 and 363 is: 543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.96 : 832.86 = 363 : x
  2. Step 2: Convert to fraction form
    555.96/832.86 = 363/x
  3. Step 3: Cross multiply
    555.96x = 832.86 × 363
  4. Step 4: Simplify right side
    555.96x = 302,328.18
  5. Step 5: Solve for x
    x = 302,328.18/555.96
  6. Step 6: Final answer
    x = 543.79

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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.