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Finding the Fourth Proportional to 1,050.96, 1,574.24 and 502.59

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Solution

The fourth proportional to 1,050.96, 1,574.24 and 502.59 is: 752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.96 : 1,574.24 = 502.59 : x
  2. Step 2: Convert to fraction form
    1,050.96/1,574.24 = 502.59/x
  3. Step 3: Cross multiply
    1,050.96x = 1,574.24 × 502.59
  4. Step 4: Simplify right side
    1,050.96x = 791,194.77
  5. Step 5: Solve for x
    x = 791,194.77/1,050.96
  6. Step 6: Final answer
    x = 752.83

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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.