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Finding the Fourth Proportional to 298,028.32, 411,270.88 and 163,892.32

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Solution

The fourth proportional to 298,028.32, 411,270.88 and 163,892.32 is: 226,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,028.32 : 411,270.88 = 163,892.32 : x
  2. Step 2: Convert to fraction form
    298,028.32/411,270.88 = 163,892.32/x
  3. Step 3: Cross multiply
    298,028.32x = 411,270.88 × 163,892.32
  4. Step 4: Simplify right side
    298,028.32x = 67,404,138,671.64
  5. Step 5: Solve for x
    x = 67,404,138,671.64/298,028.32
  6. Step 6: Final answer
    x = 226,166.89

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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.