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Finding the Fourth Proportional to 425,633.96, 587,379.40 and 234,654.19

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Solution

The fourth proportional to 425,633.96, 587,379.40 and 234,654.19 is: 323,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,633.96 : 587,379.40 = 234,654.19 : x
  2. Step 2: Convert to fraction form
    425,633.96/587,379.40 = 234,654.19/x
  3. Step 3: Cross multiply
    425,633.96x = 587,379.40 × 234,654.19
  4. Step 4: Simplify right side
    425,633.96x = 137,831,035,274.60
  5. Step 5: Solve for x
    x = 137,831,035,274.60/425,633.96
  6. Step 6: Final answer
    x = 323,825.28

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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.