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Finding the Fourth Proportional to 606,630.06, 909,179.64 and 307,186.02

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Solution

The fourth proportional to 606,630.06, 909,179.64 and 307,186.02 is: 460,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,630.06 : 909,179.64 = 307,186.02 : x
  2. Step 2: Convert to fraction form
    606,630.06/909,179.64 = 307,186.02/x
  3. Step 3: Cross multiply
    606,630.06x = 909,179.64 × 307,186.02
  4. Step 4: Simplify right side
    606,630.06x = 279,287,275,076.63
  5. Step 5: Solve for x
    x = 279,287,275,076.63/606,630.06
  6. Step 6: Final answer
    x = 460,391.42

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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.