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Finding the Fourth Proportional to 1,050.99, 1,575.46 and 588.30

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Solution

The fourth proportional to 1,050.99, 1,575.46 and 588.30 is: 881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.99 : 1,575.46 = 588.30 : x
  2. Step 2: Convert to fraction form
    1,050.99/1,575.46 = 588.30/x
  3. Step 3: Cross multiply
    1,050.99x = 1,575.46 × 588.30
  4. Step 4: Simplify right side
    1,050.99x = 926,843.12
  5. Step 5: Solve for x
    x = 926,843.12/1,050.99
  6. Step 6: Final answer
    x = 881.88

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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.