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Finding the Fourth Proportional to 445,558.25, 614,902.91 and 254,567.54

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Solution

The fourth proportional to 445,558.25, 614,902.91 and 254,567.54 is: 351,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,558.25 : 614,902.91 = 254,567.54 : x
  2. Step 2: Convert to fraction form
    445,558.25/614,902.91 = 254,567.54/x
  3. Step 3: Cross multiply
    445,558.25x = 614,902.91 × 254,567.54
  4. Step 4: Simplify right side
    445,558.25x = 156,534,316,790.19
  5. Step 5: Solve for x
    x = 156,534,316,790.19/445,558.25
  6. Step 6: Final answer
    x = 351,321.78

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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.