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Finding the Fourth Proportional to 2,965,564.04, 4,447,474.05 and 1,259,693.78

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Solution

The fourth proportional to 2,965,564.04, 4,447,474.05 and 1,259,693.78 is: 1,889,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965,564.04 : 4,447,474.05 = 1,259,693.78 : x
  2. Step 2: Convert to fraction form
    2,965,564.04/4,447,474.05 = 1,259,693.78/x
  3. Step 3: Cross multiply
    2,965,564.04x = 4,447,474.05 × 1,259,693.78
  4. Step 4: Simplify right side
    2,965,564.04x = 5,602,455,397,496.41
  5. Step 5: Solve for x
    x = 5,602,455,397,496.41/2,965,564.04
  6. Step 6: Final answer
    x = 1,889,170.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.