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Finding the Fourth Proportional to 523,473.28, 785,335.20 and 168,520.48

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Solution

The fourth proportional to 523,473.28, 785,335.20 and 168,520.48 is: 252,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,473.28 : 785,335.20 = 168,520.48 : x
  2. Step 2: Convert to fraction form
    523,473.28/785,335.20 = 168,520.48/x
  3. Step 3: Cross multiply
    523,473.28x = 785,335.20 × 168,520.48
  4. Step 4: Simplify right side
    523,473.28x = 132,345,064,864.90
  5. Step 5: Solve for x
    x = 132,345,064,864.90/523,473.28
  6. Step 6: Final answer
    x = 252,821.05

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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.