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Finding the Fourth Proportional to 366,969.70, 550,454.55 and 254,995.30

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Solution

The fourth proportional to 366,969.70, 550,454.55 and 254,995.30 is: 382,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,969.70 : 550,454.55 = 254,995.30 : x
  2. Step 2: Convert to fraction form
    366,969.70/550,454.55 = 254,995.30/x
  3. Step 3: Cross multiply
    366,969.70x = 550,454.55 × 254,995.30
  4. Step 4: Simplify right side
    366,969.70x = 140,363,323,113.62
  5. Step 5: Solve for x
    x = 140,363,323,113.62/366,969.70
  6. Step 6: Final answer
    x = 382,492.95

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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.