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Finding the Fourth Proportional to 1,050.26, 1,572.99 and 502.82

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Solution

The fourth proportional to 1,050.26, 1,572.99 and 502.82 is: 753.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.26 : 1,572.99 = 502.82 : x
  2. Step 2: Convert to fraction form
    1,050.26/1,572.99 = 502.82/x
  3. Step 3: Cross multiply
    1,050.26x = 1,572.99 × 502.82
  4. Step 4: Simplify right side
    1,050.26x = 790,935.83
  5. Step 5: Solve for x
    x = 790,935.83/1,050.26
  6. Step 6: Final answer
    x = 753.09

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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.