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Finding the Fourth Proportional to 284,316.93, 426,467.19 and 73,954.86

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Solution

The fourth proportional to 284,316.93, 426,467.19 and 73,954.86 is: 110,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,316.93 : 426,467.19 = 73,954.86 : x
  2. Step 2: Convert to fraction form
    284,316.93/426,467.19 = 73,954.86/x
  3. Step 3: Cross multiply
    284,316.93x = 426,467.19 × 73,954.86
  4. Step 4: Simplify right side
    284,316.93x = 31,539,321,331.04
  5. Step 5: Solve for x
    x = 31,539,321,331.04/284,316.93
  6. Step 6: Final answer
    x = 110,930.16

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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.