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Finding the Fourth Proportional to 606,116.44, 909,076.38 and 286,267.96

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Solution

The fourth proportional to 606,116.44, 909,076.38 and 286,267.96 is: 429,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,116.44 : 909,076.38 = 286,267.96 : x
  2. Step 2: Convert to fraction form
    606,116.44/909,076.38 = 286,267.96/x
  3. Step 3: Cross multiply
    606,116.44x = 909,076.38 × 286,267.96
  4. Step 4: Simplify right side
    606,116.44x = 260,239,440,786.79
  5. Step 5: Solve for x
    x = 260,239,440,786.79/606,116.44
  6. Step 6: Final answer
    x = 429,355.52

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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.