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Finding the Fourth Proportional to 1,500.88, 2,251.53 and 526.75

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Solution

The fourth proportional to 1,500.88, 2,251.53 and 526.75 is: 790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.88 : 2,251.53 = 526.75 : x
  2. Step 2: Convert to fraction form
    1,500.88/2,251.53 = 526.75/x
  3. Step 3: Cross multiply
    1,500.88x = 2,251.53 × 526.75
  4. Step 4: Simplify right side
    1,500.88x = 1,185,993.43
  5. Step 5: Solve for x
    x = 1,185,993.43/1,500.88
  6. Step 6: Final answer
    x = 790.20

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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.