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Finding the Fourth Proportional to 469,695.55, 648,110.98 and 262,953.22

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Solution

The fourth proportional to 469,695.55, 648,110.98 and 262,953.22 is: 362,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,695.55 : 648,110.98 = 262,953.22 : x
  2. Step 2: Convert to fraction form
    469,695.55/648,110.98 = 262,953.22/x
  3. Step 3: Cross multiply
    469,695.55x = 648,110.98 × 262,953.22
  4. Step 4: Simplify right side
    469,695.55x = 170,422,870,471.97
  5. Step 5: Solve for x
    x = 170,422,870,471.97/469,695.55
  6. Step 6: Final answer
    x = 362,836.88

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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.