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Finding the Fourth Proportional to 631,825.59, 947,904.57 and 227,058.69

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Solution

The fourth proportional to 631,825.59, 947,904.57 and 227,058.69 is: 340,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,825.59 : 947,904.57 = 227,058.69 : x
  2. Step 2: Convert to fraction form
    631,825.59/947,904.57 = 227,058.69/x
  3. Step 3: Cross multiply
    631,825.59x = 947,904.57 × 227,058.69
  4. Step 4: Simplify right side
    631,825.59x = 215,229,969,909.21
  5. Step 5: Solve for x
    x = 215,229,969,909.21/631,825.59
  6. Step 6: Final answer
    x = 340,647.76

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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.