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Finding the Fourth Proportional to 1,052.80, 1,579.74 and 468.52

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Solution

The fourth proportional to 1,052.80, 1,579.74 and 468.52 is: 703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.80 : 1,579.74 = 468.52 : x
  2. Step 2: Convert to fraction form
    1,052.80/1,579.74 = 468.52/x
  3. Step 3: Cross multiply
    1,052.80x = 1,579.74 × 468.52
  4. Step 4: Simplify right side
    1,052.80x = 740,139.78
  5. Step 5: Solve for x
    x = 740,139.78/1,052.80
  6. Step 6: Final answer
    x = 703.02

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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.