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Finding the Fourth Proportional to 604,849.75, 907,273.37 and 178,684.81

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Solution

The fourth proportional to 604,849.75, 907,273.37 and 178,684.81 is: 268,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,849.75 : 907,273.37 = 178,684.81 : x
  2. Step 2: Convert to fraction form
    604,849.75/907,273.37 = 178,684.81/x
  3. Step 3: Cross multiply
    604,849.75x = 907,273.37 × 178,684.81
  4. Step 4: Simplify right side
    604,849.75x = 162,115,967,915.04
  5. Step 5: Solve for x
    x = 162,115,967,915.04/604,849.75
  6. Step 6: Final answer
    x = 268,026.84

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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.