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Finding the Fourth Proportional to 367,035.29, 550,374.95 and 215,281.96

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Solution

The fourth proportional to 367,035.29, 550,374.95 and 215,281.96 is: 322,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,035.29 : 550,374.95 = 215,281.96 : x
  2. Step 2: Convert to fraction form
    367,035.29/550,374.95 = 215,281.96/x
  3. Step 3: Cross multiply
    367,035.29x = 550,374.95 × 215,281.96
  4. Step 4: Simplify right side
    367,035.29x = 118,485,799,018.07
  5. Step 5: Solve for x
    x = 118,485,799,018.07/367,035.29
  6. Step 6: Final answer
    x = 322,818.54

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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.