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Finding the Fourth Proportional to 231,355.40, 346,968.30 and 73,632.20

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Solution

The fourth proportional to 231,355.40, 346,968.30 and 73,632.20 is: 110,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,355.40 : 346,968.30 = 73,632.20 : x
  2. Step 2: Convert to fraction form
    231,355.40/346,968.30 = 73,632.20/x
  3. Step 3: Cross multiply
    231,355.40x = 346,968.30 × 73,632.20
  4. Step 4: Simplify right side
    231,355.40x = 25,548,039,259.26
  5. Step 5: Solve for x
    x = 25,548,039,259.26/231,355.40
  6. Step 6: Final answer
    x = 110,427.68

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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.