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Finding the Fourth Proportional to 369,049.56, 509,326.02 and 225,904.20

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Solution

The fourth proportional to 369,049.56, 509,326.02 and 225,904.20 is: 311,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,049.56 : 509,326.02 = 225,904.20 : x
  2. Step 2: Convert to fraction form
    369,049.56/509,326.02 = 225,904.20/x
  3. Step 3: Cross multiply
    369,049.56x = 509,326.02 × 225,904.20
  4. Step 4: Simplify right side
    369,049.56x = 115,058,887,087.28
  5. Step 5: Solve for x
    x = 115,058,887,087.28/369,049.56
  6. Step 6: Final answer
    x = 311,770.83

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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.