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Finding the Fourth Proportional to 303,473.36, 418,835.40 and 169,346

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Solution

The fourth proportional to 303,473.36, 418,835.40 and 169,346 is: 233,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,473.36 : 418,835.40 = 169,346 : x
  2. Step 2: Convert to fraction form
    303,473.36/418,835.40 = 169,346/x
  3. Step 3: Cross multiply
    303,473.36x = 418,835.40 × 169,346
  4. Step 4: Simplify right side
    303,473.36x = 70,928,099,648.40
  5. Step 5: Solve for x
    x = 70,928,099,648.40/303,473.36
  6. Step 6: Final answer
    x = 233,721.01

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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.