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Finding the Fourth Proportional to 245,504.70, 367,911.45 and 181,827.90

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Solution

The fourth proportional to 245,504.70, 367,911.45 and 181,827.90 is: 272,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,504.70 : 367,911.45 = 181,827.90 : x
  2. Step 2: Convert to fraction form
    245,504.70/367,911.45 = 181,827.90/x
  3. Step 3: Cross multiply
    245,504.70x = 367,911.45 × 181,827.90
  4. Step 4: Simplify right side
    245,504.70x = 66,896,566,339.46
  5. Step 5: Solve for x
    x = 66,896,566,339.46/245,504.70
  6. Step 6: Final answer
    x = 272,485.89

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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.