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Finding the Fourth Proportional to 694,801.60, 1,041,813.60 and 295,374.40

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Solution

The fourth proportional to 694,801.60, 1,041,813.60 and 295,374.40 is: 442,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,801.60 : 1,041,813.60 = 295,374.40 : x
  2. Step 2: Convert to fraction form
    694,801.60/1,041,813.60 = 295,374.40/x
  3. Step 3: Cross multiply
    694,801.60x = 1,041,813.60 × 295,374.40
  4. Step 4: Simplify right side
    694,801.60x = 307,725,067,011.84
  5. Step 5: Solve for x
    x = 307,725,067,011.84/694,801.60
  6. Step 6: Final answer
    x = 442,896.31

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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.