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Finding the Fourth Proportional to 613,234.50, 846,276.57 and 344,962.50

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Solution

The fourth proportional to 613,234.50, 846,276.57 and 344,962.50 is: 476,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,234.50 : 846,276.57 = 344,962.50 : x
  2. Step 2: Convert to fraction form
    613,234.50/846,276.57 = 344,962.50/x
  3. Step 3: Cross multiply
    613,234.50x = 846,276.57 × 344,962.50
  4. Step 4: Simplify right side
    613,234.50x = 291,933,681,278.63
  5. Step 5: Solve for x
    x = 291,933,681,278.63/613,234.50
  6. Step 6: Final answer
    x = 476,055.54

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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.