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Finding the Fourth Proportional to 373,359.20, 560,038.80 and 231,317.60

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Solution

The fourth proportional to 373,359.20, 560,038.80 and 231,317.60 is: 346,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,359.20 : 560,038.80 = 231,317.60 : x
  2. Step 2: Convert to fraction form
    373,359.20/560,038.80 = 231,317.60/x
  3. Step 3: Cross multiply
    373,359.20x = 560,038.80 × 231,317.60
  4. Step 4: Simplify right side
    373,359.20x = 129,546,831,122.88
  5. Step 5: Solve for x
    x = 129,546,831,122.88/373,359.20
  6. Step 6: Final answer
    x = 346,976.40

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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.