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Finding the Fourth Proportional to 400,501.19, 600,658.34 and 116,115.42

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Solution

The fourth proportional to 400,501.19, 600,658.34 and 116,115.42 is: 174,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,501.19 : 600,658.34 = 116,115.42 : x
  2. Step 2: Convert to fraction form
    400,501.19/600,658.34 = 116,115.42/x
  3. Step 3: Cross multiply
    400,501.19x = 600,658.34 × 116,115.42
  4. Step 4: Simplify right side
    400,501.19x = 69,745,693,009.16
  5. Step 5: Solve for x
    x = 69,745,693,009.16/400,501.19
  6. Step 6: Final answer
    x = 174,146.03

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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.