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Finding the Fourth Proportional to 1,363.56, 2,045.52 and 497.58

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Solution

The fourth proportional to 1,363.56, 2,045.52 and 497.58 is: 746.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.56 : 2,045.52 = 497.58 : x
  2. Step 2: Convert to fraction form
    1,363.56/2,045.52 = 497.58/x
  3. Step 3: Cross multiply
    1,363.56x = 2,045.52 × 497.58
  4. Step 4: Simplify right side
    1,363.56x = 1,017,809.84
  5. Step 5: Solve for x
    x = 1,017,809.84/1,363.56
  6. Step 6: Final answer
    x = 746.44

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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.