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Finding the Fourth Proportional to 425,391.06, 587,068.10 and 234,404.45

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Solution

The fourth proportional to 425,391.06, 587,068.10 and 234,404.45 is: 323,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,391.06 : 587,068.10 = 234,404.45 : x
  2. Step 2: Convert to fraction form
    425,391.06/587,068.10 = 234,404.45/x
  3. Step 3: Cross multiply
    425,391.06x = 587,068.10 × 234,404.45
  4. Step 4: Simplify right side
    425,391.06x = 137,611,375,093.05
  5. Step 5: Solve for x
    x = 137,611,375,093.05/425,391.06
  6. Step 6: Final answer
    x = 323,493.81

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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.