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Finding the Fourth Proportional to 425,758.12, 587,533.62 and 234,771.46

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Solution

The fourth proportional to 425,758.12, 587,533.62 and 234,771.46 is: 323,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,758.12 : 587,533.62 = 234,771.46 : x
  2. Step 2: Convert to fraction form
    425,758.12/587,533.62 = 234,771.46/x
  3. Step 3: Cross multiply
    425,758.12x = 587,533.62 × 234,771.46
  4. Step 4: Simplify right side
    425,758.12x = 137,936,125,766.49
  5. Step 5: Solve for x
    x = 137,936,125,766.49/425,758.12
  6. Step 6: Final answer
    x = 323,977.67

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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.