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Finding the Fourth Proportional to 534,171.70, 737,656.50 and 343,516.06

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Solution

The fourth proportional to 534,171.70, 737,656.50 and 343,516.06 is: 474,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,171.70 : 737,656.50 = 343,516.06 : x
  2. Step 2: Convert to fraction form
    534,171.70/737,656.50 = 343,516.06/x
  3. Step 3: Cross multiply
    534,171.70x = 737,656.50 × 343,516.06
  4. Step 4: Simplify right side
    534,171.70x = 253,396,854,513.39
  5. Step 5: Solve for x
    x = 253,396,854,513.39/534,171.70
  6. Step 6: Final answer
    x = 474,373.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.