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Finding the Fourth Proportional to 425,451.24, 587,187.54 and 323,310.24

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Solution

The fourth proportional to 425,451.24, 587,187.54 and 323,310.24 is: 446,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,451.24 : 587,187.54 = 323,310.24 : x
  2. Step 2: Convert to fraction form
    425,451.24/587,187.54 = 323,310.24/x
  3. Step 3: Cross multiply
    425,451.24x = 587,187.54 × 323,310.24
  4. Step 4: Simplify right side
    425,451.24x = 189,843,744,482.41
  5. Step 5: Solve for x
    x = 189,843,744,482.41/425,451.24
  6. Step 6: Final answer
    x = 446,217.40

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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.