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Finding the Fourth Proportional to 457,205.66, 630,952.73 and 273,633.22

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Solution

The fourth proportional to 457,205.66, 630,952.73 and 273,633.22 is: 377,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,205.66 : 630,952.73 = 273,633.22 : x
  2. Step 2: Convert to fraction form
    457,205.66/630,952.73 = 273,633.22/x
  3. Step 3: Cross multiply
    457,205.66x = 630,952.73 × 273,633.22
  4. Step 4: Simplify right side
    457,205.66x = 172,649,627,177.69
  5. Step 5: Solve for x
    x = 172,649,627,177.69/457,205.66
  6. Step 6: Final answer
    x = 377,619.18

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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.