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Finding the Fourth Proportional to 606,825.18, 909,938.25 and 185,999.58

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Solution

The fourth proportional to 606,825.18, 909,938.25 and 185,999.58 is: 278,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,825.18 : 909,938.25 = 185,999.58 : x
  2. Step 2: Convert to fraction form
    606,825.18/909,938.25 = 185,999.58/x
  3. Step 3: Cross multiply
    606,825.18x = 909,938.25 × 185,999.58
  4. Step 4: Simplify right side
    606,825.18x = 169,248,132,325.94
  5. Step 5: Solve for x
    x = 169,248,132,325.94/606,825.18
  6. Step 6: Final answer
    x = 278,907.56

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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.