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Finding the Fourth Proportional to 631,825.62, 947,904.66 and 227,058.72

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Solution

The fourth proportional to 631,825.62, 947,904.66 and 227,058.72 is: 340,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,825.62 : 947,904.66 = 227,058.72 : x
  2. Step 2: Convert to fraction form
    631,825.62/947,904.66 = 227,058.72/x
  3. Step 3: Cross multiply
    631,825.62x = 947,904.66 × 227,058.72
  4. Step 4: Simplify right side
    631,825.62x = 215,230,018,781.64
  5. Step 5: Solve for x
    x = 215,230,018,781.64/631,825.62
  6. Step 6: Final answer
    x = 340,647.82

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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.