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Finding the Fourth Proportional to 451,509.90, 677,334.96 and 151,967.16

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Solution

The fourth proportional to 451,509.90, 677,334.96 and 151,967.16 is: 227,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,509.90 : 677,334.96 = 151,967.16 : x
  2. Step 2: Convert to fraction form
    451,509.90/677,334.96 = 151,967.16/x
  3. Step 3: Cross multiply
    451,509.90x = 677,334.96 × 151,967.16
  4. Step 4: Simplify right side
    451,509.90x = 102,932,670,239.91
  5. Step 5: Solve for x
    x = 102,932,670,239.91/451,509.90
  6. Step 6: Final answer
    x = 227,974.34

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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.