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Finding the Fourth Proportional to 606,158.38, 909,204.61 and 185,434.26

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Solution

The fourth proportional to 606,158.38, 909,204.61 and 185,434.26 is: 278,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,158.38 : 909,204.61 = 185,434.26 : x
  2. Step 2: Convert to fraction form
    606,158.38/909,204.61 = 185,434.26/x
  3. Step 3: Cross multiply
    606,158.38x = 909,204.61 × 185,434.26
  4. Step 4: Simplify right side
    606,158.38x = 168,597,678,570.74
  5. Step 5: Solve for x
    x = 168,597,678,570.74/606,158.38
  6. Step 6: Final answer
    x = 278,141.30

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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.