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Finding the Fourth Proportional to 367,047, 550,464.72 and 100,816.20

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Solution

The fourth proportional to 367,047, 550,464.72 and 100,816.20 is: 151,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,047 : 550,464.72 = 100,816.20 : x
  2. Step 2: Convert to fraction form
    367,047/550,464.72 = 100,816.20/x
  3. Step 3: Cross multiply
    367,047x = 550,464.72 × 100,816.20
  4. Step 4: Simplify right side
    367,047x = 55,495,761,304.46
  5. Step 5: Solve for x
    x = 55,495,761,304.46/367,047
  6. Step 6: Final answer
    x = 151,195.25

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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.