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Finding the Fourth Proportional to 630,960.12, 946,448.37 and 181,688.36

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Solution

The fourth proportional to 630,960.12, 946,448.37 and 181,688.36 is: 272,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,960.12 : 946,448.37 = 181,688.36 : x
  2. Step 2: Convert to fraction form
    630,960.12/946,448.37 = 181,688.36/x
  3. Step 3: Cross multiply
    630,960.12x = 946,448.37 × 181,688.36
  4. Step 4: Simplify right side
    630,960.12x = 171,958,647,437.73
  5. Step 5: Solve for x
    x = 171,958,647,437.73/630,960.12
  6. Step 6: Final answer
    x = 272,534.89

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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.