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Finding the Fourth Proportional to 6,202,890.83, 9,304,780.64 and 1,653,915.78

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Solution

The fourth proportional to 6,202,890.83, 9,304,780.64 and 1,653,915.78 is: 2,480,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,202,890.83 : 9,304,780.64 = 1,653,915.78 : x
  2. Step 2: Convert to fraction form
    6,202,890.83/9,304,780.64 = 1,653,915.78/x
  3. Step 3: Cross multiply
    6,202,890.83x = 9,304,780.64 × 1,653,915.78
  4. Step 4: Simplify right side
    6,202,890.83x = 15,389,323,521,664.92
  5. Step 5: Solve for x
    x = 15,389,323,521,664.92/6,202,890.83
  6. Step 6: Final answer
    x = 2,480,992.16

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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.