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Finding the Fourth Proportional to 511,595.43, 766,657.49 and 351,851.74

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Solution

The fourth proportional to 511,595.43, 766,657.49 and 351,851.74 is: 527,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,595.43 : 766,657.49 = 351,851.74 : x
  2. Step 2: Convert to fraction form
    511,595.43/766,657.49 = 351,851.74/x
  3. Step 3: Cross multiply
    511,595.43x = 766,657.49 × 351,851.74
  4. Step 4: Simplify right side
    511,595.43x = 269,749,771,964.68
  5. Step 5: Solve for x
    x = 269,749,771,964.68/511,595.43
  6. Step 6: Final answer
    x = 527,271.66

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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.