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Finding the Fourth Proportional to 298,262.06, 411,465.68 and 177,334.64

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Solution

The fourth proportional to 298,262.06, 411,465.68 and 177,334.64 is: 244,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,262.06 : 411,465.68 = 177,334.64 : x
  2. Step 2: Convert to fraction form
    298,262.06/411,465.68 = 177,334.64/x
  3. Step 3: Cross multiply
    298,262.06x = 411,465.68 × 177,334.64
  4. Step 4: Simplify right side
    298,262.06x = 72,967,117,348.48
  5. Step 5: Solve for x
    x = 72,967,117,348.48/298,262.06
  6. Step 6: Final answer
    x = 244,640.96

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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.