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Finding the Fourth Proportional to 511,361.19, 767,152.50 and 195,818.10

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Solution

The fourth proportional to 511,361.19, 767,152.50 and 195,818.10 is: 293,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,361.19 : 767,152.50 = 195,818.10 : x
  2. Step 2: Convert to fraction form
    511,361.19/767,152.50 = 195,818.10/x
  3. Step 3: Cross multiply
    511,361.19x = 767,152.50 × 195,818.10
  4. Step 4: Simplify right side
    511,361.19x = 150,222,344,960.25
  5. Step 5: Solve for x
    x = 150,222,344,960.25/511,361.19
  6. Step 6: Final answer
    x = 293,769.55

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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.