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Finding the Fourth Proportional to 511,359.75, 767,150.35 and 195,816.67

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Solution

The fourth proportional to 511,359.75, 767,150.35 and 195,816.67 is: 293,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,359.75 : 767,150.35 = 195,816.67 : x
  2. Step 2: Convert to fraction form
    511,359.75/767,150.35 = 195,816.67/x
  3. Step 3: Cross multiply
    511,359.75x = 767,150.35 × 195,816.67
  4. Step 4: Simplify right side
    511,359.75x = 150,220,824,518.92
  5. Step 5: Solve for x
    x = 150,220,824,518.92/511,359.75
  6. Step 6: Final answer
    x = 293,767.40

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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.