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Finding the Fourth Proportional to 798.95, 1,196.91 and 469.08

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Solution

The fourth proportional to 798.95, 1,196.91 and 469.08 is: 702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.95 : 1,196.91 = 469.08 : x
  2. Step 2: Convert to fraction form
    798.95/1,196.91 = 469.08/x
  3. Step 3: Cross multiply
    798.95x = 1,196.91 × 469.08
  4. Step 4: Simplify right side
    798.95x = 561,444.20
  5. Step 5: Solve for x
    x = 561,444.20/798.95
  6. Step 6: Final answer
    x = 702.73

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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.