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Finding the Fourth Proportional to 605,047.47, 907,483.29 and 178,562.49

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Solution

The fourth proportional to 605,047.47, 907,483.29 and 178,562.49 is: 267,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,047.47 : 907,483.29 = 178,562.49 : x
  2. Step 2: Convert to fraction form
    605,047.47/907,483.29 = 178,562.49/x
  3. Step 3: Cross multiply
    605,047.47x = 907,483.29 × 178,562.49
  4. Step 4: Simplify right side
    605,047.47x = 162,042,475,895.79
  5. Step 5: Solve for x
    x = 162,042,475,895.79/605,047.47
  6. Step 6: Final answer
    x = 267,817.79

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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.