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Finding the Fourth Proportional to 630,959.12, 946,446.87 and 181,687.35

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Solution

The fourth proportional to 630,959.12, 946,446.87 and 181,687.35 is: 272,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,959.12 : 946,446.87 = 181,687.35 : x
  2. Step 2: Convert to fraction form
    630,959.12/946,446.87 = 181,687.35/x
  3. Step 3: Cross multiply
    630,959.12x = 946,446.87 × 181,687.35
  4. Step 4: Simplify right side
    630,959.12x = 171,957,423,726.10
  5. Step 5: Solve for x
    x = 171,957,423,726.10/630,959.12
  6. Step 6: Final answer
    x = 272,533.39

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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.