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Finding the Fourth Proportional to 1,544.52, 2,316.78 and 504.60

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Solution

The fourth proportional to 1,544.52, 2,316.78 and 504.60 is: 756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.52 : 2,316.78 = 504.60 : x
  2. Step 2: Convert to fraction form
    1,544.52/2,316.78 = 504.60/x
  3. Step 3: Cross multiply
    1,544.52x = 2,316.78 × 504.60
  4. Step 4: Simplify right side
    1,544.52x = 1,169,047.19
  5. Step 5: Solve for x
    x = 1,169,047.19/1,544.52
  6. Step 6: Final answer
    x = 756.90

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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.