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Finding the Fourth Proportional to 373,453.80, 560,180.70 and 255,355.80

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Solution

The fourth proportional to 373,453.80, 560,180.70 and 255,355.80 is: 383,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,453.80 : 560,180.70 = 255,355.80 : x
  2. Step 2: Convert to fraction form
    373,453.80/560,180.70 = 255,355.80/x
  3. Step 3: Cross multiply
    373,453.80x = 560,180.70 × 255,355.80
  4. Step 4: Simplify right side
    373,453.80x = 143,045,390,793.06
  5. Step 5: Solve for x
    x = 143,045,390,793.06/373,453.80
  6. Step 6: Final answer
    x = 383,033.70

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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.