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Finding the Fourth Proportional to 1,529.25, 2,293.91 and 503.25

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Solution

The fourth proportional to 1,529.25, 2,293.91 and 503.25 is: 754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.25 : 2,293.91 = 503.25 : x
  2. Step 2: Convert to fraction form
    1,529.25/2,293.91 = 503.25/x
  3. Step 3: Cross multiply
    1,529.25x = 2,293.91 × 503.25
  4. Step 4: Simplify right side
    1,529.25x = 1,154,407.69
  5. Step 5: Solve for x
    x = 1,154,407.69/1,529.25
  6. Step 6: Final answer
    x = 754.88

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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.