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Finding the Fourth Proportional to 239,635.89, 330,461.28 and 185,901.30

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Solution

The fourth proportional to 239,635.89, 330,461.28 and 185,901.30 is: 256,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,635.89 : 330,461.28 = 185,901.30 : x
  2. Step 2: Convert to fraction form
    239,635.89/330,461.28 = 185,901.30/x
  3. Step 3: Cross multiply
    239,635.89x = 330,461.28 × 185,901.30
  4. Step 4: Simplify right side
    239,635.89x = 61,433,181,551.66
  5. Step 5: Solve for x
    x = 61,433,181,551.66/239,635.89
  6. Step 6: Final answer
    x = 256,360.52

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1.5x scale

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.