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Finding the Fourth Proportional to 477,285.62, 658,656.77 and 262,439.60

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Solution

The fourth proportional to 477,285.62, 658,656.77 and 262,439.60 is: 362,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,285.62 : 658,656.77 = 262,439.60 : x
  2. Step 2: Convert to fraction form
    477,285.62/658,656.77 = 262,439.60/x
  3. Step 3: Cross multiply
    477,285.62x = 658,656.77 × 262,439.60
  4. Step 4: Simplify right side
    477,285.62x = 172,857,614,650.61
  5. Step 5: Solve for x
    x = 172,857,614,650.61/477,285.62
  6. Step 6: Final answer
    x = 362,168.08

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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.