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Finding the Fourth Proportional to 2,959,584.80, 4,441,450.80 and 1,897,210.40

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Solution

The fourth proportional to 2,959,584.80, 4,441,450.80 and 1,897,210.40 is: 2,847,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959,584.80 : 4,441,450.80 = 1,897,210.40 : x
  2. Step 2: Convert to fraction form
    2,959,584.80/4,441,450.80 = 1,897,210.40/x
  3. Step 3: Cross multiply
    2,959,584.80x = 4,441,450.80 × 1,897,210.40
  4. Step 4: Simplify right side
    2,959,584.80x = 8,426,366,648,848.32
  5. Step 5: Solve for x
    x = 8,426,366,648,848.32/2,959,584.80
  6. Step 6: Final answer
    x = 2,847,144.86

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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.