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Finding the Fourth Proportional to 548,653.50, 822,233.03 and 308,881.76

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Solution

The fourth proportional to 548,653.50, 822,233.03 and 308,881.76 is: 462,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,653.50 : 822,233.03 = 308,881.76 : x
  2. Step 2: Convert to fraction form
    548,653.50/822,233.03 = 308,881.76/x
  3. Step 3: Cross multiply
    548,653.50x = 822,233.03 × 308,881.76
  4. Step 4: Simplify right side
    548,653.50x = 253,972,779,780.96
  5. Step 5: Solve for x
    x = 253,972,779,780.96/548,653.50
  6. Step 6: Final answer
    x = 462,901.96

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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.