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Finding the Fourth Proportional to 469,804.88, 703,876.92 and 248,344.40

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Solution

The fourth proportional to 469,804.88, 703,876.92 and 248,344.40 is: 372,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,804.88 : 703,876.92 = 248,344.40 : x
  2. Step 2: Convert to fraction form
    469,804.88/703,876.92 = 248,344.40/x
  3. Step 3: Cross multiply
    469,804.88x = 703,876.92 × 248,344.40
  4. Step 4: Simplify right side
    469,804.88x = 174,803,891,371.25
  5. Step 5: Solve for x
    x = 174,803,891,371.25/469,804.88
  6. Step 6: Final answer
    x = 372,077.64

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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.