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Finding the Fourth Proportional to 3,766,476.78, 5,652,203.46 and 1,772,088.30

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Solution

The fourth proportional to 3,766,476.78, 5,652,203.46 and 1,772,088.30 is: 2,659,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766,476.78 : 5,652,203.46 = 1,772,088.30 : x
  2. Step 2: Convert to fraction form
    3,766,476.78/5,652,203.46 = 1,772,088.30/x
  3. Step 3: Cross multiply
    3,766,476.78x = 5,652,203.46 × 1,772,088.30
  4. Step 4: Simplify right side
    3,766,476.78x = 10,016,203,620,685.52
  5. Step 5: Solve for x
    x = 10,016,203,620,685.52/3,766,476.78
  6. Step 6: Final answer
    x = 2,659,303.16

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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.