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Finding the Fourth Proportional to 1,834,601.10, 2,751,901.65 and 711,941.10

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Solution

The fourth proportional to 1,834,601.10, 2,751,901.65 and 711,941.10 is: 1,067,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,601.10 : 2,751,901.65 = 711,941.10 : x
  2. Step 2: Convert to fraction form
    1,834,601.10/2,751,901.65 = 711,941.10/x
  3. Step 3: Cross multiply
    1,834,601.10x = 2,751,901.65 × 711,941.10
  4. Step 4: Simplify right side
    1,834,601.10x = 1,959,191,887,792.82
  5. Step 5: Solve for x
    x = 1,959,191,887,792.82/1,834,601.10
  6. Step 6: Final answer
    x = 1,067,911.65

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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.