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Finding the Fourth Proportional to 373,420.44, 515,173.50 and 229,931.64

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Solution

The fourth proportional to 373,420.44, 515,173.50 and 229,931.64 is: 317,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,420.44 : 515,173.50 = 229,931.64 : x
  2. Step 2: Convert to fraction form
    373,420.44/515,173.50 = 229,931.64/x
  3. Step 3: Cross multiply
    373,420.44x = 515,173.50 × 229,931.64
  4. Step 4: Simplify right side
    373,420.44x = 118,454,687,739.54
  5. Step 5: Solve for x
    x = 118,454,687,739.54/373,420.44
  6. Step 6: Final answer
    x = 317,215.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.