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Finding the Fourth Proportional to 3,766,698.80, 5,648,693.41 and 1,304,045.93

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Solution

The fourth proportional to 3,766,698.80, 5,648,693.41 and 1,304,045.93 is: 1,955,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766,698.80 : 5,648,693.41 = 1,304,045.93 : x
  2. Step 2: Convert to fraction form
    3,766,698.80/5,648,693.41 = 1,304,045.93/x
  3. Step 3: Cross multiply
    3,766,698.80x = 5,648,693.41 × 1,304,045.93
  4. Step 4: Simplify right side
    3,766,698.80x = 7,366,155,659,544.86
  5. Step 5: Solve for x
    x = 7,366,155,659,544.86/3,766,698.80
  6. Step 6: Final answer
    x = 1,955,599.86

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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.