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Finding the Fourth Proportional to 366,924.60, 550,386.90 and 340,352.55

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Solution

The fourth proportional to 366,924.60, 550,386.90 and 340,352.55 is: 510,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,924.60 : 550,386.90 = 340,352.55 : x
  2. Step 2: Convert to fraction form
    366,924.60/550,386.90 = 340,352.55/x
  3. Step 3: Cross multiply
    366,924.60x = 550,386.90 × 340,352.55
  4. Step 4: Simplify right side
    366,924.60x = 187,325,584,901.60
  5. Step 5: Solve for x
    x = 187,325,584,901.60/366,924.60
  6. Step 6: Final answer
    x = 510,528.83

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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.