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Finding the Fourth Proportional to 1,939,304.86, 2,904,991.53 and 1,580,753.50

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Solution

The fourth proportional to 1,939,304.86, 2,904,991.53 and 1,580,753.50 is: 2,367,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,304.86 : 2,904,991.53 = 1,580,753.50 : x
  2. Step 2: Convert to fraction form
    1,939,304.86/2,904,991.53 = 1,580,753.50/x
  3. Step 3: Cross multiply
    1,939,304.86x = 2,904,991.53 × 1,580,753.50
  4. Step 4: Simplify right side
    1,939,304.86x = 4,592,075,528,517.85
  5. Step 5: Solve for x
    x = 4,592,075,528,517.85/1,939,304.86
  6. Step 6: Final answer
    x = 2,367,897.71

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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.