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Finding the Fourth Proportional to 2,592,766.02, 3,578,017.80 and 1,431,212.97

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Solution

The fourth proportional to 2,592,766.02, 3,578,017.80 and 1,431,212.97 is: 1,975,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592,766.02 : 3,578,017.80 = 1,431,212.97 : x
  2. Step 2: Convert to fraction form
    2,592,766.02/3,578,017.80 = 1,431,212.97/x
  3. Step 3: Cross multiply
    2,592,766.02x = 3,578,017.80 × 1,431,212.97
  4. Step 4: Simplify right side
    2,592,766.02x = 5,120,905,482,250.87
  5. Step 5: Solve for x
    x = 5,120,905,482,250.87/2,592,766.02
  6. Step 6: Final answer
    x = 1,975,074.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.