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Finding the Fourth Proportional to 323,733.84, 485,818.92 and 113,373.60

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Solution

The fourth proportional to 323,733.84, 485,818.92 and 113,373.60 is: 170,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,733.84 : 485,818.92 = 113,373.60 : x
  2. Step 2: Convert to fraction form
    323,733.84/485,818.92 = 113,373.60/x
  3. Step 3: Cross multiply
    323,733.84x = 485,818.92 × 113,373.60
  4. Step 4: Simplify right side
    323,733.84x = 55,079,039,908.51
  5. Step 5: Solve for x
    x = 55,079,039,908.51/323,733.84
  6. Step 6: Final answer
    x = 170,136.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.