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Finding the Fourth Proportional to 1,834,681.80, 2,752,022.70 and 1,816,967.10

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Solution

The fourth proportional to 1,834,681.80, 2,752,022.70 and 1,816,967.10 is: 2,725,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,681.80 : 2,752,022.70 = 1,816,967.10 : x
  2. Step 2: Convert to fraction form
    1,834,681.80/2,752,022.70 = 1,816,967.10/x
  3. Step 3: Cross multiply
    1,834,681.80x = 2,752,022.70 × 1,816,967.10
  4. Step 4: Simplify right side
    1,834,681.80x = 5,000,334,704,353.17
  5. Step 5: Solve for x
    x = 5,000,334,704,353.17/1,834,681.80
  6. Step 6: Final answer
    x = 2,725,450.65

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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.