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Finding the Fourth Proportional to 1,363.48, 2,044.95 and 530.54

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Solution

The fourth proportional to 1,363.48, 2,044.95 and 530.54 is: 795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.48 : 2,044.95 = 530.54 : x
  2. Step 2: Convert to fraction form
    1,363.48/2,044.95 = 530.54/x
  3. Step 3: Cross multiply
    1,363.48x = 2,044.95 × 530.54
  4. Step 4: Simplify right side
    1,363.48x = 1,084,932.89
  5. Step 5: Solve for x
    x = 1,084,932.89/1,363.48
  6. Step 6: Final answer
    x = 795.71

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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.