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Finding the Fourth Proportional to 523,426.54, 785,139.81 and 168,468.34

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Solution

The fourth proportional to 523,426.54, 785,139.81 and 168,468.34 is: 252,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,426.54 : 785,139.81 = 168,468.34 : x
  2. Step 2: Convert to fraction form
    523,426.54/785,139.81 = 168,468.34/x
  3. Step 3: Cross multiply
    523,426.54x = 785,139.81 × 168,468.34
  4. Step 4: Simplify right side
    523,426.54x = 132,271,200,458.62
  5. Step 5: Solve for x
    x = 132,271,200,458.62/523,426.54
  6. Step 6: Final answer
    x = 252,702.51

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Similar ratio
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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.