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Finding the Fourth Proportional to 500.13, 750 and 294.75

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Solution

The fourth proportional to 500.13, 750 and 294.75 is: 442.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.13 : 750 = 294.75 : x
  2. Step 2: Convert to fraction form
    500.13/750 = 294.75/x
  3. Step 3: Cross multiply
    500.13x = 750 × 294.75
  4. Step 4: Simplify right side
    500.13x = 221,062.50
  5. Step 5: Solve for x
    x = 221,062.50/500.13
  6. Step 6: Final answer
    x = 442.01

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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.