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Finding the Fourth Proportional to 425,530.08, 587,235.60 and 234,550.80

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Solution

The fourth proportional to 425,530.08, 587,235.60 and 234,550.80 is: 323,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,530.08 : 587,235.60 = 234,550.80 : x
  2. Step 2: Convert to fraction form
    425,530.08/587,235.60 = 234,550.80/x
  3. Step 3: Cross multiply
    425,530.08x = 587,235.60 × 234,550.80
  4. Step 4: Simplify right side
    425,530.08x = 137,736,579,768.48
  5. Step 5: Solve for x
    x = 137,736,579,768.48/425,530.08
  6. Step 6: Final answer
    x = 323,682.36

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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.