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Finding the Fourth Proportional to 511,597.94, 766,661.23 and 351,854.24

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Solution

The fourth proportional to 511,597.94, 766,661.23 and 351,854.24 is: 527,275.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,597.94 : 766,661.23 = 351,854.24 : x
  2. Step 2: Convert to fraction form
    511,597.94/766,661.23 = 351,854.24/x
  3. Step 3: Cross multiply
    511,597.94x = 766,661.23 × 351,854.24
  4. Step 4: Simplify right side
    511,597.94x = 269,753,004,419.12
  5. Step 5: Solve for x
    x = 269,753,004,419.12/511,597.94
  6. Step 6: Final answer
    x = 527,275.39

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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.