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Finding the Fourth Proportional to 425,388.40, 587,033.19 and 234,401.84

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Solution

The fourth proportional to 425,388.40, 587,033.19 and 234,401.84 is: 323,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,388.40 : 587,033.19 = 234,401.84 : x
  2. Step 2: Convert to fraction form
    425,388.40/587,033.19 = 234,401.84/x
  3. Step 3: Cross multiply
    425,388.40x = 587,033.19 × 234,401.84
  4. Step 4: Simplify right side
    425,388.40x = 137,601,659,877.07
  5. Step 5: Solve for x
    x = 137,601,659,877.07/425,388.40
  6. Step 6: Final answer
    x = 323,473.00

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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.