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Finding the Fourth Proportional to 298,010.61, 411,248.82 and 162,043.37

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Solution

The fourth proportional to 298,010.61, 411,248.82 and 162,043.37 is: 223,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,010.61 : 411,248.82 = 162,043.37 : x
  2. Step 2: Convert to fraction form
    298,010.61/411,248.82 = 162,043.37/x
  3. Step 3: Cross multiply
    298,010.61x = 411,248.82 × 162,043.37
  4. Step 4: Simplify right side
    298,010.61x = 66,640,142,037.42
  5. Step 5: Solve for x
    x = 66,640,142,037.42/298,010.61
  6. Step 6: Final answer
    x = 223,616.68

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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.