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Finding the Fourth Proportional to 2,594,922.54, 3,580,978.85 and 1,433,448.70

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Solution

The fourth proportional to 2,594,922.54, 3,580,978.85 and 1,433,448.70 is: 1,978,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594,922.54 : 3,580,978.85 = 1,433,448.70 : x
  2. Step 2: Convert to fraction form
    2,594,922.54/3,580,978.85 = 1,433,448.70/x
  3. Step 3: Cross multiply
    2,594,922.54x = 3,580,978.85 × 1,433,448.70
  4. Step 4: Simplify right side
    2,594,922.54x = 5,133,149,477,260.00
  5. Step 5: Solve for x
    x = 5,133,149,477,260.00/2,594,922.54
  6. Step 6: Final answer
    x = 1,978,151.33

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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.