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Finding the Fourth Proportional to 1,817,548.07, 2,723,332.59 and 1,440,889.56

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Solution

The fourth proportional to 1,817,548.07, 2,723,332.59 and 1,440,889.56 is: 2,158,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,548.07 : 2,723,332.59 = 1,440,889.56 : x
  2. Step 2: Convert to fraction form
    1,817,548.07/2,723,332.59 = 1,440,889.56/x
  3. Step 3: Cross multiply
    1,817,548.07x = 2,723,332.59 × 1,440,889.56
  4. Step 4: Simplify right side
    1,817,548.07x = 3,924,021,497,338.76
  5. Step 5: Solve for x
    x = 3,924,021,497,338.76/1,817,548.07
  6. Step 6: Final answer
    x = 2,158,964.36

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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.