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Finding the Fourth Proportional to 706,930.80, 1,059,994.62 and 482,562.96

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Solution

The fourth proportional to 706,930.80, 1,059,994.62 and 482,562.96 is: 723,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,930.80 : 1,059,994.62 = 482,562.96 : x
  2. Step 2: Convert to fraction form
    706,930.80/1,059,994.62 = 482,562.96/x
  3. Step 3: Cross multiply
    706,930.80x = 1,059,994.62 × 482,562.96
  4. Step 4: Simplify right side
    706,930.80x = 511,514,141,411.28
  5. Step 5: Solve for x
    x = 511,514,141,411.28/706,930.80
  6. Step 6: Final answer
    x = 723,570.31

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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.