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Finding the Fourth Proportional to 293,455.20, 440,182.80 and 151,737.60

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Solution

The fourth proportional to 293,455.20, 440,182.80 and 151,737.60 is: 227,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,455.20 : 440,182.80 = 151,737.60 : x
  2. Step 2: Convert to fraction form
    293,455.20/440,182.80 = 151,737.60/x
  3. Step 3: Cross multiply
    293,455.20x = 440,182.80 × 151,737.60
  4. Step 4: Simplify right side
    293,455.20x = 66,792,281,633.28
  5. Step 5: Solve for x
    x = 66,792,281,633.28/293,455.20
  6. Step 6: Final answer
    x = 227,606.40

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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.