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Finding the Fourth Proportional to 605,034.39, 907,340.04 and 178,457.07

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Solution

The fourth proportional to 605,034.39, 907,340.04 and 178,457.07 is: 267,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,034.39 : 907,340.04 = 178,457.07 : x
  2. Step 2: Convert to fraction form
    605,034.39/907,340.04 = 178,457.07/x
  3. Step 3: Cross multiply
    605,034.39x = 907,340.04 × 178,457.07
  4. Step 4: Simplify right side
    605,034.39x = 161,921,245,032.08
  5. Step 5: Solve for x
    x = 161,921,245,032.08/605,034.39
  6. Step 6: Final answer
    x = 267,623.21

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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.