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Finding the Fourth Proportional to 416,071.52, 574,194.98 and 243,965.55

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Solution

The fourth proportional to 416,071.52, 574,194.98 and 243,965.55 is: 336,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,071.52 : 574,194.98 = 243,965.55 : x
  2. Step 2: Convert to fraction form
    416,071.52/574,194.98 = 243,965.55/x
  3. Step 3: Cross multiply
    416,071.52x = 574,194.98 × 243,965.55
  4. Step 4: Simplify right side
    416,071.52x = 140,083,795,493.78
  5. Step 5: Solve for x
    x = 140,083,795,493.78/416,071.52
  6. Step 6: Final answer
    x = 336,682.01

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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.