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Finding the Fourth Proportional to 605,999.80, 908,999.70 and 185,275.68

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Solution

The fourth proportional to 605,999.80, 908,999.70 and 185,275.68 is: 277,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,999.80 : 908,999.70 = 185,275.68 : x
  2. Step 2: Convert to fraction form
    605,999.80/908,999.70 = 185,275.68/x
  3. Step 3: Cross multiply
    605,999.80x = 908,999.70 × 185,275.68
  4. Step 4: Simplify right side
    605,999.80x = 168,415,537,537.30
  5. Step 5: Solve for x
    x = 168,415,537,537.30/605,999.80
  6. Step 6: Final answer
    x = 277,913.52

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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.