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Finding the Fourth Proportional to 451,505.32, 623,078.22 and 250,301.32

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Solution

The fourth proportional to 451,505.32, 623,078.22 and 250,301.32 is: 345,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,505.32 : 623,078.22 = 250,301.32 : x
  2. Step 2: Convert to fraction form
    451,505.32/623,078.22 = 250,301.32/x
  3. Step 3: Cross multiply
    451,505.32x = 623,078.22 × 250,301.32
  4. Step 4: Simplify right side
    451,505.32x = 155,957,300,929.25
  5. Step 5: Solve for x
    x = 155,957,300,929.25/451,505.32
  6. Step 6: Final answer
    x = 345,416.31

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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.