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Finding the Fourth Proportional to 366,963.99, 550,421.22 and 100,702.20

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Solution

The fourth proportional to 366,963.99, 550,421.22 and 100,702.20 is: 151,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,963.99 : 550,421.22 = 100,702.20 : x
  2. Step 2: Convert to fraction form
    366,963.99/550,421.22 = 100,702.20/x
  3. Step 3: Cross multiply
    366,963.99x = 550,421.22 × 100,702.20
  4. Step 4: Simplify right side
    366,963.99x = 55,428,627,780.68
  5. Step 5: Solve for x
    x = 55,428,627,780.68/366,963.99
  6. Step 6: Final answer
    x = 151,046.50

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1.5x scale

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.