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Finding the Fourth Proportional to 623.55, 933.52 and 362.76

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Solution

The fourth proportional to 623.55, 933.52 and 362.76 is: 543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.55 : 933.52 = 362.76 : x
  2. Step 2: Convert to fraction form
    623.55/933.52 = 362.76/x
  3. Step 3: Cross multiply
    623.55x = 933.52 × 362.76
  4. Step 4: Simplify right side
    623.55x = 338,640.47
  5. Step 5: Solve for x
    x = 338,640.47/623.55
  6. Step 6: Final answer
    x = 543.08

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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.