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Finding the Fourth Proportional to 1,625.23, 2,437.59 and 529.59

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Solution

The fourth proportional to 1,625.23, 2,437.59 and 529.59 is: 794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.23 : 2,437.59 = 529.59 : x
  2. Step 2: Convert to fraction form
    1,625.23/2,437.59 = 529.59/x
  3. Step 3: Cross multiply
    1,625.23x = 2,437.59 × 529.59
  4. Step 4: Simplify right side
    1,625.23x = 1,290,912.16
  5. Step 5: Solve for x
    x = 1,290,912.16/1,625.23
  6. Step 6: Final answer
    x = 794.30

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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.