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Finding the Fourth Proportional to 631,410.66, 947,489.65 and 232,331.68

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Solution

The fourth proportional to 631,410.66, 947,489.65 and 232,331.68 is: 348,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,410.66 : 947,489.65 = 232,331.68 : x
  2. Step 2: Convert to fraction form
    631,410.66/947,489.65 = 232,331.68/x
  3. Step 3: Cross multiply
    631,410.66x = 947,489.65 × 232,331.68
  4. Step 4: Simplify right side
    631,410.66x = 220,131,862,770.65
  5. Step 5: Solve for x
    x = 220,131,862,770.65/631,410.66
  6. Step 6: Final answer
    x = 348,635.01

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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.