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Finding the Fourth Proportional to 1,237.93, 1,856.71 and 468.25

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Solution

The fourth proportional to 1,237.93, 1,856.71 and 468.25 is: 702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.93 : 1,856.71 = 468.25 : x
  2. Step 2: Convert to fraction form
    1,237.93/1,856.71 = 468.25/x
  3. Step 3: Cross multiply
    1,237.93x = 1,856.71 × 468.25
  4. Step 4: Simplify right side
    1,237.93x = 869,404.46
  5. Step 5: Solve for x
    x = 869,404.46/1,237.93
  6. Step 6: Final answer
    x = 702.31

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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.