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Finding the Fourth Proportional to 298,230.90, 411,546.32 and 162,265.39

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Solution

The fourth proportional to 298,230.90, 411,546.32 and 162,265.39 is: 223,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,230.90 : 411,546.32 = 162,265.39 : x
  2. Step 2: Convert to fraction form
    298,230.90/411,546.32 = 162,265.39/x
  3. Step 3: Cross multiply
    298,230.90x = 411,546.32 × 162,265.39
  4. Step 4: Simplify right side
    298,230.90x = 66,779,722,886.17
  5. Step 5: Solve for x
    x = 66,779,722,886.17/298,230.90
  6. Step 6: Final answer
    x = 223,919.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.