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Finding the Fourth Proportional to 284,326.26, 426,489.93 and 73,963.86

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Solution

The fourth proportional to 284,326.26, 426,489.93 and 73,963.86 is: 110,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,326.26 : 426,489.93 = 73,963.86 : x
  2. Step 2: Convert to fraction form
    284,326.26/426,489.93 = 73,963.86/x
  3. Step 3: Cross multiply
    284,326.26x = 426,489.93 × 73,963.86
  4. Step 4: Simplify right side
    284,326.26x = 31,544,841,473.93
  5. Step 5: Solve for x
    x = 31,544,841,473.93/284,326.26
  6. Step 6: Final answer
    x = 110,945.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.