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Finding the Fourth Proportional to 1,250,053.83, 1,724,984.82 and 733,828.86

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Solution

The fourth proportional to 1,250,053.83, 1,724,984.82 and 733,828.86 is: 1,012,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,053.83 : 1,724,984.82 = 733,828.86 : x
  2. Step 2: Convert to fraction form
    1,250,053.83/1,724,984.82 = 733,828.86/x
  3. Step 3: Cross multiply
    1,250,053.83x = 1,724,984.82 × 733,828.86
  4. Step 4: Simplify right side
    1,250,053.83x = 1,265,843,643,977.91
  5. Step 5: Solve for x
    x = 1,265,843,643,977.91/1,250,053.83
  6. Step 6: Final answer
    x = 1,012,631.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.