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Finding the Fourth Proportional to 366,920.15, 550,380.23 and 340,348.10

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Solution

The fourth proportional to 366,920.15, 550,380.23 and 340,348.10 is: 510,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920.15 : 550,380.23 = 340,348.10 : x
  2. Step 2: Convert to fraction form
    366,920.15/550,380.23 = 340,348.10/x
  3. Step 3: Cross multiply
    366,920.15x = 550,380.23 × 340,348.10
  4. Step 4: Simplify right side
    366,920.15x = 187,320,865,558.06
  5. Step 5: Solve for x
    x = 187,320,865,558.06/366,920.15
  6. Step 6: Final answer
    x = 510,522.15

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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.