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Finding the Fourth Proportional to 344,298.64, 475,130.28 and 189,253.48

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Solution

The fourth proportional to 344,298.64, 475,130.28 and 189,253.48 is: 261,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,298.64 : 475,130.28 = 189,253.48 : x
  2. Step 2: Convert to fraction form
    344,298.64/475,130.28 = 189,253.48/x
  3. Step 3: Cross multiply
    344,298.64x = 475,130.28 × 189,253.48
  4. Step 4: Simplify right side
    344,298.64x = 89,920,058,943.37
  5. Step 5: Solve for x
    x = 89,920,058,943.37/344,298.64
  6. Step 6: Final answer
    x = 261,168.79

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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.