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Finding the Fourth Proportional to 451,612.02, 623,233.16 and 247,650.80

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Solution

The fourth proportional to 451,612.02, 623,233.16 and 247,650.80 is: 341,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,612.02 : 623,233.16 = 247,650.80 : x
  2. Step 2: Convert to fraction form
    451,612.02/623,233.16 = 247,650.80/x
  3. Step 3: Cross multiply
    451,612.02x = 623,233.16 × 247,650.80
  4. Step 4: Simplify right side
    451,612.02x = 154,344,189,422.27
  5. Step 5: Solve for x
    x = 154,344,189,422.27/451,612.02
  6. Step 6: Final answer
    x = 341,762.81

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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.