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Finding the Fourth Proportional to 605,039.40, 907,347.46 and 178,462.04

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Solution

The fourth proportional to 605,039.40, 907,347.46 and 178,462.04 is: 267,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,039.40 : 907,347.46 = 178,462.04 : x
  2. Step 2: Convert to fraction form
    605,039.40/907,347.46 = 178,462.04/x
  3. Step 3: Cross multiply
    605,039.40x = 907,347.46 × 178,462.04
  4. Step 4: Simplify right side
    605,039.40x = 161,927,078,700.42
  5. Step 5: Solve for x
    x = 161,927,078,700.42/605,039.40
  6. Step 6: Final answer
    x = 267,630.63

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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.