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Finding the Fourth Proportional to 511,362.19, 767,154 and 195,819.10

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Solution

The fourth proportional to 511,362.19, 767,154 and 195,819.10 is: 293,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,362.19 : 767,154 = 195,819.10 : x
  2. Step 2: Convert to fraction form
    511,362.19/767,154 = 195,819.10/x
  3. Step 3: Cross multiply
    511,362.19x = 767,154 × 195,819.10
  4. Step 4: Simplify right side
    511,362.19x = 150,223,405,841.40
  5. Step 5: Solve for x
    x = 150,223,405,841.40/511,362.19
  6. Step 6: Final answer
    x = 293,771.05

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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.