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Finding the Fourth Proportional to 373,538.24, 517,663.52 and 366,449.60

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Solution

The fourth proportional to 373,538.24, 517,663.52 and 366,449.60 is: 507,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,538.24 : 517,663.52 = 366,449.60 : x
  2. Step 2: Convert to fraction form
    373,538.24/517,663.52 = 366,449.60/x
  3. Step 3: Cross multiply
    373,538.24x = 517,663.52 × 366,449.60
  4. Step 4: Simplify right side
    373,538.24x = 189,697,589,838.59
  5. Step 5: Solve for x
    x = 189,697,589,838.59/373,538.24
  6. Step 6: Final answer
    x = 507,839.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.