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Finding the Fourth Proportional to 425,393.21, 587,037.66 and 241,630.49

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Solution

The fourth proportional to 425,393.21, 587,037.66 and 241,630.49 is: 333,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,393.21 : 587,037.66 = 241,630.49 : x
  2. Step 2: Convert to fraction form
    425,393.21/587,037.66 = 241,630.49/x
  3. Step 3: Cross multiply
    425,393.21x = 587,037.66 × 241,630.49
  4. Step 4: Simplify right side
    425,393.21x = 141,846,197,434.25
  5. Step 5: Solve for x
    x = 141,846,197,434.25/425,393.21
  6. Step 6: Final answer
    x = 333,447.25

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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.