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Finding the Fourth Proportional to 2,733,984.77, 4,100,978.59 and 712,223.33

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Solution

The fourth proportional to 2,733,984.77, 4,100,978.59 and 712,223.33 is: 1,068,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733,984.77 : 4,100,978.59 = 712,223.33 : x
  2. Step 2: Convert to fraction form
    2,733,984.77/4,100,978.59 = 712,223.33/x
  3. Step 3: Cross multiply
    2,733,984.77x = 4,100,978.59 × 712,223.33
  4. Step 4: Simplify right side
    2,733,984.77x = 2,920,812,627,628.50
  5. Step 5: Solve for x
    x = 2,920,812,627,628.50/2,733,984.77
  6. Step 6: Final answer
    x = 1,068,335.37

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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.