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Finding the Fourth Proportional to 536.92, 740.93 and 316.02

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Solution

The fourth proportional to 536.92, 740.93 and 316.02 is: 436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.92 : 740.93 = 316.02 : x
  2. Step 2: Convert to fraction form
    536.92/740.93 = 316.02/x
  3. Step 3: Cross multiply
    536.92x = 740.93 × 316.02
  4. Step 4: Simplify right side
    536.92x = 234,149.49
  5. Step 5: Solve for x
    x = 234,149.49/536.92
  6. Step 6: Final answer
    x = 436.10

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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.