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Finding the Fourth Proportional to 293,459.20, 440,188.80 and 151,741.60

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Solution

The fourth proportional to 293,459.20, 440,188.80 and 151,741.60 is: 227,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,459.20 : 440,188.80 = 151,741.60 : x
  2. Step 2: Convert to fraction form
    293,459.20/440,188.80 = 151,741.60/x
  3. Step 3: Cross multiply
    293,459.20x = 440,188.80 × 151,741.60
  4. Step 4: Simplify right side
    293,459.20x = 66,794,952,814.08
  5. Step 5: Solve for x
    x = 66,794,952,814.08/293,459.20
  6. Step 6: Final answer
    x = 227,612.40

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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.