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Finding the Fourth Proportional to 1,834,789.69, 2,751,970.53 and 487,057.01

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Solution

The fourth proportional to 1,834,789.69, 2,751,970.53 and 487,057.01 is: 730,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,789.69 : 2,751,970.53 = 487,057.01 : x
  2. Step 2: Convert to fraction form
    1,834,789.69/2,751,970.53 = 487,057.01/x
  3. Step 3: Cross multiply
    1,834,789.69x = 2,751,970.53 × 487,057.01
  4. Step 4: Simplify right side
    1,834,789.69x = 1,340,366,537,949.92
  5. Step 5: Solve for x
    x = 1,340,366,537,949.92/1,834,789.69
  6. Step 6: Final answer
    x = 730,528.71

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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.