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Finding the Fourth Proportional to 535.94, 801.59 and 316.04

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Solution

The fourth proportional to 535.94, 801.59 and 316.04 is: 472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.94 : 801.59 = 316.04 : x
  2. Step 2: Convert to fraction form
    535.94/801.59 = 316.04/x
  3. Step 3: Cross multiply
    535.94x = 801.59 × 316.04
  4. Step 4: Simplify right side
    535.94x = 253,334.50
  5. Step 5: Solve for x
    x = 253,334.50/535.94
  6. Step 6: Final answer
    x = 472.69

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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.