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Finding the Fourth Proportional to 606,622.60, 909,977.10 and 185,897.80

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Solution

The fourth proportional to 606,622.60, 909,977.10 and 185,897.80 is: 278,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,622.60 : 909,977.10 = 185,897.80 : x
  2. Step 2: Convert to fraction form
    606,622.60/909,977.10 = 185,897.80/x
  3. Step 3: Cross multiply
    606,622.60x = 909,977.10 × 185,897.80
  4. Step 4: Simplify right side
    606,622.60x = 169,162,740,940.38
  5. Step 5: Solve for x
    x = 169,162,740,940.38/606,622.60
  6. Step 6: Final answer
    x = 278,859.94

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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.