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Finding the Fourth Proportional to 630,959.61, 946,447.62 and 181,687.85

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Solution

The fourth proportional to 630,959.61, 946,447.62 and 181,687.85 is: 272,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,959.61 : 946,447.62 = 181,687.85 : x
  2. Step 2: Convert to fraction form
    630,959.61/946,447.62 = 181,687.85/x
  3. Step 3: Cross multiply
    630,959.61x = 946,447.62 × 181,687.85
  4. Step 4: Simplify right side
    630,959.61x = 171,958,033,215.42
  5. Step 5: Solve for x
    x = 171,958,033,215.42/630,959.61
  6. Step 6: Final answer
    x = 272,534.14

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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.