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Finding the Fourth Proportional to 425,099, 586,636.68 and 234,112.04

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Solution

The fourth proportional to 425,099, 586,636.68 and 234,112.04 is: 323,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,099 : 586,636.68 = 234,112.04 : x
  2. Step 2: Convert to fraction form
    425,099/586,636.68 = 234,112.04/x
  3. Step 3: Cross multiply
    425,099x = 586,636.68 × 234,112.04
  4. Step 4: Simplify right side
    425,099x = 137,338,709,893.63
  5. Step 5: Solve for x
    x = 137,338,709,893.63/425,099
  6. Step 6: Final answer
    x = 323,074.65

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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.