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Finding the Fourth Proportional to 1,816,953.90, 2,719,525.95 and 1,816,953.90

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Solution

The fourth proportional to 1,816,953.90, 2,719,525.95 and 1,816,953.90 is: 2,719,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,953.90 : 2,719,525.95 = 1,816,953.90 : x
  2. Step 2: Convert to fraction form
    1,816,953.90/2,719,525.95 = 1,816,953.90/x
  3. Step 3: Cross multiply
    1,816,953.90x = 2,719,525.95 × 1,816,953.90
  4. Step 4: Simplify right side
    1,816,953.90x = 4,941,253,281,003.71
  5. Step 5: Solve for x
    x = 4,941,253,281,003.71/1,816,953.90
  6. Step 6: Final answer
    x = 2,719,525.95

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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.