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Finding the Fourth Proportional to 362,967.12, 500,761.80 and 219,674.88

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Solution

The fourth proportional to 362,967.12, 500,761.80 and 219,674.88 is: 303,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,967.12 : 500,761.80 = 219,674.88 : x
  2. Step 2: Convert to fraction form
    362,967.12/500,761.80 = 219,674.88/x
  3. Step 3: Cross multiply
    362,967.12x = 500,761.80 × 219,674.88
  4. Step 4: Simplify right side
    362,967.12x = 110,004,788,323.58
  5. Step 5: Solve for x
    x = 110,004,788,323.58/362,967.12
  6. Step 6: Final answer
    x = 303,070.95

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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.