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Finding the Fourth Proportional to 2,961,172.80, 4,443,832.80 and 1,898,798.40

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Solution

The fourth proportional to 2,961,172.80, 4,443,832.80 and 1,898,798.40 is: 2,849,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,172.80 : 4,443,832.80 = 1,898,798.40 : x
  2. Step 2: Convert to fraction form
    2,961,172.80/4,443,832.80 = 1,898,798.40/x
  3. Step 3: Cross multiply
    2,961,172.80x = 4,443,832.80 × 1,898,798.40
  4. Step 4: Simplify right side
    2,961,172.80x = 8,437,942,610,507.52
  5. Step 5: Solve for x
    x = 8,437,942,610,507.52/2,961,172.80
  6. Step 6: Final answer
    x = 2,849,527.26

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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.