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Finding the Fourth Proportional to 1,454.67, 2,182.10 and 530.22

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Solution

The fourth proportional to 1,454.67, 2,182.10 and 530.22 is: 795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.67 : 2,182.10 = 530.22 : x
  2. Step 2: Convert to fraction form
    1,454.67/2,182.10 = 530.22/x
  3. Step 3: Cross multiply
    1,454.67x = 2,182.10 × 530.22
  4. Step 4: Simplify right side
    1,454.67x = 1,156,998.59
  5. Step 5: Solve for x
    x = 1,156,998.59/1,454.67
  6. Step 6: Final answer
    x = 795.37

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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.