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Finding the Fourth Proportional to 425,627.34, 587,369.67 and 234,647.58

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Solution

The fourth proportional to 425,627.34, 587,369.67 and 234,647.58 is: 323,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,627.34 : 587,369.67 = 234,647.58 : x
  2. Step 2: Convert to fraction form
    425,627.34/587,369.67 = 234,647.58/x
  3. Step 3: Cross multiply
    425,627.34x = 587,369.67 × 234,647.58
  4. Step 4: Simplify right side
    425,627.34x = 137,824,871,630.90
  5. Step 5: Solve for x
    x = 137,824,871,630.90/425,627.34
  6. Step 6: Final answer
    x = 323,815.83

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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.