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Finding the Fourth Proportional to 414,581.67, 620,875.95 and 236,548.94

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Solution

The fourth proportional to 414,581.67, 620,875.95 and 236,548.94 is: 354,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,581.67 : 620,875.95 = 236,548.94 : x
  2. Step 2: Convert to fraction form
    414,581.67/620,875.95 = 236,548.94/x
  3. Step 3: Cross multiply
    414,581.67x = 620,875.95 × 236,548.94
  4. Step 4: Simplify right side
    414,581.67x = 146,867,544,739.61
  5. Step 5: Solve for x
    x = 146,867,544,739.61/414,581.67
  6. Step 6: Final answer
    x = 354,254.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.