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Finding the Fourth Proportional to 367,126.36, 550,467.72 and 164,685.40

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Solution

The fourth proportional to 367,126.36, 550,467.72 and 164,685.40 is: 246,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,126.36 : 550,467.72 = 164,685.40 : x
  2. Step 2: Convert to fraction form
    367,126.36/550,467.72 = 164,685.40/x
  3. Step 3: Cross multiply
    367,126.36x = 550,467.72 × 164,685.40
  4. Step 4: Simplify right side
    367,126.36x = 90,653,996,655.29
  5. Step 5: Solve for x
    x = 90,653,996,655.29/367,126.36
  6. Step 6: Final answer
    x = 246,928.60

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1.5x scale

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.