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Finding the Fourth Proportional to 605,014.89, 907,310.79 and 178,437.57

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Solution

The fourth proportional to 605,014.89, 907,310.79 and 178,437.57 is: 267,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,014.89 : 907,310.79 = 178,437.57 : x
  2. Step 2: Convert to fraction form
    605,014.89/907,310.79 = 178,437.57/x
  3. Step 3: Cross multiply
    605,014.89x = 907,310.79 × 178,437.57
  4. Step 4: Simplify right side
    605,014.89x = 161,898,332,602.38
  5. Step 5: Solve for x
    x = 161,898,332,602.38/605,014.89
  6. Step 6: Final answer
    x = 267,593.96

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1.5x scale

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.