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Finding the Fourth Proportional to 366,975.60, 550,463.40 and 338,107.20

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Solution

The fourth proportional to 366,975.60, 550,463.40 and 338,107.20 is: 507,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,975.60 : 550,463.40 = 338,107.20 : x
  2. Step 2: Convert to fraction form
    366,975.60/550,463.40 = 338,107.20/x
  3. Step 3: Cross multiply
    366,975.60x = 550,463.40 × 338,107.20
  4. Step 4: Simplify right side
    366,975.60x = 186,115,638,876.48
  5. Step 5: Solve for x
    x = 186,115,638,876.48/366,975.60
  6. Step 6: Final answer
    x = 507,160.80

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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.