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Finding the Fourth Proportional to 1,502.91, 2,254.68 and 529.09

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Solution

The fourth proportional to 1,502.91, 2,254.68 and 529.09 is: 793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.91 : 2,254.68 = 529.09 : x
  2. Step 2: Convert to fraction form
    1,502.91/2,254.68 = 529.09/x
  3. Step 3: Cross multiply
    1,502.91x = 2,254.68 × 529.09
  4. Step 4: Simplify right side
    1,502.91x = 1,192,923.00
  5. Step 5: Solve for x
    x = 1,192,923.00/1,502.91
  6. Step 6: Final answer
    x = 793.74

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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.