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Finding the Fourth Proportional to 425,771.19, 587,578.43 and 232,189.49

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Solution

The fourth proportional to 425,771.19, 587,578.43 and 232,189.49 is: 320,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,771.19 : 587,578.43 = 232,189.49 : x
  2. Step 2: Convert to fraction form
    425,771.19/587,578.43 = 232,189.49/x
  3. Step 3: Cross multiply
    425,771.19x = 587,578.43 × 232,189.49
  4. Step 4: Simplify right side
    425,771.19x = 136,429,534,835.75
  5. Step 5: Solve for x
    x = 136,429,534,835.75/425,771.19
  6. Step 6: Final answer
    x = 320,429.23

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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.