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Finding the Fourth Proportional to 425,985.38, 587,850.36 and 234,998.72

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Solution

The fourth proportional to 425,985.38, 587,850.36 and 234,998.72 is: 324,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,985.38 : 587,850.36 = 234,998.72 : x
  2. Step 2: Convert to fraction form
    425,985.38/587,850.36 = 234,998.72/x
  3. Step 3: Cross multiply
    425,985.38x = 587,850.36 × 234,998.72
  4. Step 4: Simplify right side
    425,985.38x = 138,144,081,857.35
  5. Step 5: Solve for x
    x = 138,144,081,857.35/425,985.38
  6. Step 6: Final answer
    x = 324,293.01

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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.