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Finding the Fourth Proportional to 873,996.60, 1,310,994.90 and 608,575.80

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Solution

The fourth proportional to 873,996.60, 1,310,994.90 and 608,575.80 is: 912,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,996.60 : 1,310,994.90 = 608,575.80 : x
  2. Step 2: Convert to fraction form
    873,996.60/1,310,994.90 = 608,575.80/x
  3. Step 3: Cross multiply
    873,996.60x = 1,310,994.90 × 608,575.80
  4. Step 4: Simplify right side
    873,996.60x = 797,839,770,063.42
  5. Step 5: Solve for x
    x = 797,839,770,063.42/873,996.60
  6. Step 6: Final answer
    x = 912,863.70

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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.