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Finding the Fourth Proportional to 2,393,387.95, 3,584,803.96 and 1,978,343.95

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Solution

The fourth proportional to 2,393,387.95, 3,584,803.96 and 1,978,343.95 is: 2,963,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393,387.95 : 3,584,803.96 = 1,978,343.95 : x
  2. Step 2: Convert to fraction form
    2,393,387.95/3,584,803.96 = 1,978,343.95/x
  3. Step 3: Cross multiply
    2,393,387.95x = 3,584,803.96 × 1,978,343.95
  4. Step 4: Simplify right side
    2,393,387.95x = 7,091,975,198,386.30
  5. Step 5: Solve for x
    x = 7,091,975,198,386.30/2,393,387.95
  6. Step 6: Final answer
    x = 2,963,153.22

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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.