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Finding the Fourth Proportional to 704,994.27, 973,144.82 and 418,514.58

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Solution

The fourth proportional to 704,994.27, 973,144.82 and 418,514.58 is: 577,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,994.27 : 973,144.82 = 418,514.58 : x
  2. Step 2: Convert to fraction form
    704,994.27/973,144.82 = 418,514.58/x
  3. Step 3: Cross multiply
    704,994.27x = 973,144.82 × 418,514.58
  4. Step 4: Simplify right side
    704,994.27x = 407,275,295,621.48
  5. Step 5: Solve for x
    x = 407,275,295,621.48/704,994.27
  6. Step 6: Final answer
    x = 577,700.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.