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Finding the Fourth Proportional to 457,092.75, 630,578.67 and 295,999.71

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Solution

The fourth proportional to 457,092.75, 630,578.67 and 295,999.71 is: 408,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,092.75 : 630,578.67 = 295,999.71 : x
  2. Step 2: Convert to fraction form
    457,092.75/630,578.67 = 295,999.71/x
  3. Step 3: Cross multiply
    457,092.75x = 630,578.67 × 295,999.71
  4. Step 4: Simplify right side
    457,092.75x = 186,651,103,452.19
  5. Step 5: Solve for x
    x = 186,651,103,452.19/457,092.75
  6. Step 6: Final answer
    x = 408,344.05

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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.