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Finding the Fourth Proportional to 1,548.52, 2,322.88 and 574.70

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Solution

The fourth proportional to 1,548.52, 2,322.88 and 574.70 is: 862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.52 : 2,322.88 = 574.70 : x
  2. Step 2: Convert to fraction form
    1,548.52/2,322.88 = 574.70/x
  3. Step 3: Cross multiply
    1,548.52x = 2,322.88 × 574.70
  4. Step 4: Simplify right side
    1,548.52x = 1,334,946.08
  5. Step 5: Solve for x
    x = 1,334,946.08/1,548.52
  6. Step 6: Final answer
    x = 862.08

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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.