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Finding the Fourth Proportional to 606,112.50, 909,205.20 and 185,392.02

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Solution

The fourth proportional to 606,112.50, 909,205.20 and 185,392.02 is: 278,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,112.50 : 909,205.20 = 185,392.02 : x
  2. Step 2: Convert to fraction form
    606,112.50/909,205.20 = 185,392.02/x
  3. Step 3: Cross multiply
    606,112.50x = 909,205.20 × 185,392.02
  4. Step 4: Simplify right side
    606,112.50x = 168,559,388,622.50
  5. Step 5: Solve for x
    x = 168,559,388,622.50/606,112.50
  6. Step 6: Final answer
    x = 278,099.18

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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.