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Finding the Fourth Proportional to 3,607,254.75, 4,978,168.04 and 1,997,622.75

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Solution

The fourth proportional to 3,607,254.75, 4,978,168.04 and 1,997,622.75 is: 2,756,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,254.75 : 4,978,168.04 = 1,997,622.75 : x
  2. Step 2: Convert to fraction form
    3,607,254.75/4,978,168.04 = 1,997,622.75/x
  3. Step 3: Cross multiply
    3,607,254.75x = 4,978,168.04 × 1,997,622.75
  4. Step 4: Simplify right side
    3,607,254.75x = 9,944,501,720,038.80
  5. Step 5: Solve for x
    x = 9,944,501,720,038.80/3,607,254.75
  6. Step 6: Final answer
    x = 2,756,806.05

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1.5x scale

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.