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Finding the Fourth Proportional to 695,149.06, 959,226.41 and 389,182.90

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Solution

The fourth proportional to 695,149.06, 959,226.41 and 389,182.90 is: 537,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,149.06 : 959,226.41 = 389,182.90 : x
  2. Step 2: Convert to fraction form
    695,149.06/959,226.41 = 389,182.90/x
  3. Step 3: Cross multiply
    695,149.06x = 959,226.41 × 389,182.90
  4. Step 4: Simplify right side
    695,149.06x = 373,314,509,258.34
  5. Step 5: Solve for x
    x = 373,314,509,258.34/695,149.06
  6. Step 6: Final answer
    x = 537,028.00

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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.