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Finding the Fourth Proportional to 1,330,803, 1,836,553.50 and 727,229.88

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Solution

The fourth proportional to 1,330,803, 1,836,553.50 and 727,229.88 is: 1,003,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,803 : 1,836,553.50 = 727,229.88 : x
  2. Step 2: Convert to fraction form
    1,330,803/1,836,553.50 = 727,229.88/x
  3. Step 3: Cross multiply
    1,330,803x = 1,836,553.50 × 727,229.88
  4. Step 4: Simplify right side
    1,330,803x = 1,335,596,581,418.58
  5. Step 5: Solve for x
    x = 1,335,596,581,418.58/1,330,803
  6. Step 6: Final answer
    x = 1,003,602.02

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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.