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Finding the Fourth Proportional to 3,499,474.88, 4,829,275.40 and 1,889,842.88

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Solution

The fourth proportional to 3,499,474.88, 4,829,275.40 and 1,889,842.88 is: 2,607,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499,474.88 : 4,829,275.40 = 1,889,842.88 : x
  2. Step 2: Convert to fraction form
    3,499,474.88/4,829,275.40 = 1,889,842.88/x
  3. Step 3: Cross multiply
    3,499,474.88x = 4,829,275.40 × 1,889,842.88
  4. Step 4: Simplify right side
    3,499,474.88x = 9,126,571,696,653.56
  5. Step 5: Solve for x
    x = 9,126,571,696,653.56/3,499,474.88
  6. Step 6: Final answer
    x = 2,607,983.20

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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.