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Finding the Fourth Proportional to 523,425.54, 785,138.31 and 168,467.34

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Solution

The fourth proportional to 523,425.54, 785,138.31 and 168,467.34 is: 252,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,425.54 : 785,138.31 = 168,467.34 : x
  2. Step 2: Convert to fraction form
    523,425.54/785,138.31 = 168,467.34/x
  3. Step 3: Cross multiply
    523,425.54x = 785,138.31 × 168,467.34
  4. Step 4: Simplify right side
    523,425.54x = 132,270,162,617.80
  5. Step 5: Solve for x
    x = 132,270,162,617.80/523,425.54
  6. Step 6: Final answer
    x = 252,701.01

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Double scale
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Similar ratio
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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.