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Finding the Fourth Proportional to 737,579.60, 1,106,628.60 and 264,280.40

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Solution

The fourth proportional to 737,579.60, 1,106,628.60 and 264,280.40 is: 396,513.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,579.60 : 1,106,628.60 = 264,280.40 : x
  2. Step 2: Convert to fraction form
    737,579.60/1,106,628.60 = 264,280.40/x
  3. Step 3: Cross multiply
    737,579.60x = 1,106,628.60 × 264,280.40
  4. Step 4: Simplify right side
    737,579.60x = 292,460,249,059.44
  5. Step 5: Solve for x
    x = 292,460,249,059.44/737,579.60
  6. Step 6: Final answer
    x = 396,513.47

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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.