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Finding the Fourth Proportional to 511,360.75, 767,151.85 and 195,817.67

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Solution

The fourth proportional to 511,360.75, 767,151.85 and 195,817.67 is: 293,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,360.75 : 767,151.85 = 195,817.67 : x
  2. Step 2: Convert to fraction form
    511,360.75/767,151.85 = 195,817.67/x
  3. Step 3: Cross multiply
    511,360.75x = 767,151.85 × 195,817.67
  4. Step 4: Simplify right side
    511,360.75x = 150,221,887,803.19
  5. Step 5: Solve for x
    x = 150,221,887,803.19/511,360.75
  6. Step 6: Final answer
    x = 293,768.91

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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.