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Finding the Fourth Proportional to 523,474.28, 785,336.70 and 168,521.48

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Solution

The fourth proportional to 523,474.28, 785,336.70 and 168,521.48 is: 252,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,474.28 : 785,336.70 = 168,521.48 : x
  2. Step 2: Convert to fraction form
    523,474.28/785,336.70 = 168,521.48/x
  3. Step 3: Cross multiply
    523,474.28x = 785,336.70 × 168,521.48
  4. Step 4: Simplify right side
    523,474.28x = 132,346,102,982.32
  5. Step 5: Solve for x
    x = 132,346,102,982.32/523,474.28
  6. Step 6: Final answer
    x = 252,822.55

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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.