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Finding the Fourth Proportional to 1,237.41, 1,856.11 and 497.35

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Solution

The fourth proportional to 1,237.41, 1,856.11 and 497.35 is: 746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.41 : 1,856.11 = 497.35 : x
  2. Step 2: Convert to fraction form
    1,237.41/1,856.11 = 497.35/x
  3. Step 3: Cross multiply
    1,237.41x = 1,856.11 × 497.35
  4. Step 4: Simplify right side
    1,237.41x = 923,136.31
  5. Step 5: Solve for x
    x = 923,136.31/1,237.41
  6. Step 6: Final answer
    x = 746.02

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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.