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Finding the Fourth Proportional to 298,335.51, 411,707.57 and 162,374.85

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Solution

The fourth proportional to 298,335.51, 411,707.57 and 162,374.85 is: 224,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,335.51 : 411,707.57 = 162,374.85 : x
  2. Step 2: Convert to fraction form
    298,335.51/411,707.57 = 162,374.85/x
  3. Step 3: Cross multiply
    298,335.51x = 411,707.57 × 162,374.85
  4. Step 4: Simplify right side
    298,335.51x = 66,850,954,110.74
  5. Step 5: Solve for x
    x = 66,850,954,110.74/298,335.51
  6. Step 6: Final answer
    x = 224,079.78

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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.