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Finding the Fourth Proportional to 1,932,003.06, 2,899,333.32 and 669,830.69

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Solution

The fourth proportional to 1,932,003.06, 2,899,333.32 and 669,830.69 is: 1,005,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,003.06 : 2,899,333.32 = 669,830.69 : x
  2. Step 2: Convert to fraction form
    1,932,003.06/2,899,333.32 = 669,830.69/x
  3. Step 3: Cross multiply
    1,932,003.06x = 2,899,333.32 × 669,830.69
  4. Step 4: Simplify right side
    1,932,003.06x = 1,942,062,430,158.26
  5. Step 5: Solve for x
    x = 1,942,062,430,158.26/1,932,003.06
  6. Step 6: Final answer
    x = 1,005,206.70

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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.