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Finding the Fourth Proportional to 2,000,157.10, 2,759,541.10 and 1,302,120.07

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Solution

The fourth proportional to 2,000,157.10, 2,759,541.10 and 1,302,120.07 is: 1,796,485.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000,157.10 : 2,759,541.10 = 1,302,120.07 : x
  2. Step 2: Convert to fraction form
    2,000,157.10/2,759,541.10 = 1,302,120.07/x
  3. Step 3: Cross multiply
    2,000,157.10x = 2,759,541.10 × 1,302,120.07
  4. Step 4: Simplify right side
    2,000,157.10x = 3,593,253,850,299.88
  5. Step 5: Solve for x
    x = 3,593,253,850,299.88/2,000,157.10
  6. Step 6: Final answer
    x = 1,796,485.81

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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.