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Finding the Fourth Proportional to 425,504.70, 587,200.06 and 234,518.58

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Solution

The fourth proportional to 425,504.70, 587,200.06 and 234,518.58 is: 323,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,504.70 : 587,200.06 = 234,518.58 : x
  2. Step 2: Convert to fraction form
    425,504.70/587,200.06 = 234,518.58/x
  3. Step 3: Cross multiply
    425,504.70x = 587,200.06 × 234,518.58
  4. Step 4: Simplify right side
    425,504.70x = 137,709,324,247.12
  5. Step 5: Solve for x
    x = 137,709,324,247.12/425,504.70
  6. Step 6: Final answer
    x = 323,637.61

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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.