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Finding the Fourth Proportional to 366,917.30, 550,375.95 and 334,258.10

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Solution

The fourth proportional to 366,917.30, 550,375.95 and 334,258.10 is: 501,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,917.30 : 550,375.95 = 334,258.10 : x
  2. Step 2: Convert to fraction form
    366,917.30/550,375.95 = 334,258.10/x
  3. Step 3: Cross multiply
    366,917.30x = 550,375.95 × 334,258.10
  4. Step 4: Simplify right side
    366,917.30x = 183,967,619,332.70
  5. Step 5: Solve for x
    x = 183,967,619,332.70/366,917.30
  6. Step 6: Final answer
    x = 501,387.15

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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.