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Finding the Fourth Proportional to 302,881.54, 417,693.02 and 239,371.06

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Solution

The fourth proportional to 302,881.54, 417,693.02 and 239,371.06 is: 330,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,881.54 : 417,693.02 = 239,371.06 : x
  2. Step 2: Convert to fraction form
    302,881.54/417,693.02 = 239,371.06/x
  3. Step 3: Cross multiply
    302,881.54x = 417,693.02 × 239,371.06
  4. Step 4: Simplify right side
    302,881.54x = 99,983,620,952.00
  5. Step 5: Solve for x
    x = 99,983,620,952.00/302,881.54
  6. Step 6: Final answer
    x = 330,108.01

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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.