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Finding the Fourth Proportional to 531.01, 732.84 and 294.99

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Solution

The fourth proportional to 531.01, 732.84 and 294.99 is: 407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.01 : 732.84 = 294.99 : x
  2. Step 2: Convert to fraction form
    531.01/732.84 = 294.99/x
  3. Step 3: Cross multiply
    531.01x = 732.84 × 294.99
  4. Step 4: Simplify right side
    531.01x = 216,180.47
  5. Step 5: Solve for x
    x = 216,180.47/531.01
  6. Step 6: Final answer
    x = 407.11

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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.