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Finding the Fourth Proportional to 3,857,597.19, 5,786,636.31 and 1,017,712.08

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Solution

The fourth proportional to 3,857,597.19, 5,786,636.31 and 1,017,712.08 is: 1,526,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,597.19 : 5,786,636.31 = 1,017,712.08 : x
  2. Step 2: Convert to fraction form
    3,857,597.19/5,786,636.31 = 1,017,712.08/x
  3. Step 3: Cross multiply
    3,857,597.19x = 5,786,636.31 × 1,017,712.08
  4. Step 4: Simplify right side
    3,857,597.19x = 5,889,129,675,253.62
  5. Step 5: Solve for x
    x = 5,889,129,675,253.62/3,857,597.19
  6. Step 6: Final answer
    x = 1,526,631.58

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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.