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Finding the Fourth Proportional to 425,636.22, 587,382.52 and 234,656.46

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Solution

The fourth proportional to 425,636.22, 587,382.52 and 234,656.46 is: 323,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,636.22 : 587,382.52 = 234,656.46 : x
  2. Step 2: Convert to fraction form
    425,636.22/587,382.52 = 234,656.46/x
  3. Step 3: Cross multiply
    425,636.22x = 587,382.52 × 234,656.46
  4. Step 4: Simplify right side
    425,636.22x = 137,833,102,809.08
  5. Step 5: Solve for x
    x = 137,833,102,809.08/425,636.22
  6. Step 6: Final answer
    x = 323,828.42

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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.