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Finding the Fourth Proportional to 366,937.65, 550,406.48 and 340,365.60

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Solution

The fourth proportional to 366,937.65, 550,406.48 and 340,365.60 is: 510,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,937.65 : 550,406.48 = 340,365.60 : x
  2. Step 2: Convert to fraction form
    366,937.65/550,406.48 = 340,365.60/x
  3. Step 3: Cross multiply
    366,937.65x = 550,406.48 × 340,365.60
  4. Step 4: Simplify right side
    366,937.65x = 187,339,430,107.26
  5. Step 5: Solve for x
    x = 187,339,430,107.26/366,937.65
  6. Step 6: Final answer
    x = 510,548.40

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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.