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Finding the Fourth Proportional to 659,507.97, 988,929.32 and 469,859.97

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Solution

The fourth proportional to 659,507.97, 988,929.32 and 469,859.97 is: 704,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,507.97 : 988,929.32 = 469,859.97 : x
  2. Step 2: Convert to fraction form
    659,507.97/988,929.32 = 469,859.97/x
  3. Step 3: Cross multiply
    659,507.97x = 988,929.32 × 469,859.97
  4. Step 4: Simplify right side
    659,507.97x = 464,658,298,278.02
  5. Step 5: Solve for x
    x = 464,658,298,278.02/659,507.97
  6. Step 6: Final answer
    x = 704,552.97

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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.