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Finding the Fourth Proportional to 1,000.52, 1,501.48 and 351.26

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Solution

The fourth proportional to 1,000.52, 1,501.48 and 351.26 is: 527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000.52 : 1,501.48 = 351.26 : x
  2. Step 2: Convert to fraction form
    1,000.52/1,501.48 = 351.26/x
  3. Step 3: Cross multiply
    1,000.52x = 1,501.48 × 351.26
  4. Step 4: Simplify right side
    1,000.52x = 527,409.86
  5. Step 5: Solve for x
    x = 527,409.86/1,000.52
  6. Step 6: Final answer
    x = 527.14

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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.