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Finding the Fourth Proportional to 545,802.11, 818,664.80 and 204,180.38

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Solution

The fourth proportional to 545,802.11, 818,664.80 and 204,180.38 is: 306,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,802.11 : 818,664.80 = 204,180.38 : x
  2. Step 2: Convert to fraction form
    545,802.11/818,664.80 = 204,180.38/x
  3. Step 3: Cross multiply
    545,802.11x = 818,664.80 × 204,180.38
  4. Step 4: Simplify right side
    545,802.11x = 167,155,284,842.40
  5. Step 5: Solve for x
    x = 167,155,284,842.40/545,802.11
  6. Step 6: Final answer
    x = 306,256.21

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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.