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Finding the Fourth Proportional to 3,146,634.12, 4,719,978.72 and 1,016,718.60

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Solution

The fourth proportional to 3,146,634.12, 4,719,978.72 and 1,016,718.60 is: 1,525,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,634.12 : 4,719,978.72 = 1,016,718.60 : x
  2. Step 2: Convert to fraction form
    3,146,634.12/4,719,978.72 = 1,016,718.60/x
  3. Step 3: Cross multiply
    3,146,634.12x = 4,719,978.72 × 1,016,718.60
  4. Step 4: Simplify right side
    3,146,634.12x = 4,798,890,156,228.19
  5. Step 5: Solve for x
    x = 4,798,890,156,228.19/3,146,634.12
  6. Step 6: Final answer
    x = 1,525,086.80

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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.