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Finding the Fourth Proportional to 540,027.95, 745,224.12 and 298,305.32

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Solution

The fourth proportional to 540,027.95, 745,224.12 and 298,305.32 is: 411,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,027.95 : 745,224.12 = 298,305.32 : x
  2. Step 2: Convert to fraction form
    540,027.95/745,224.12 = 298,305.32/x
  3. Step 3: Cross multiply
    540,027.95x = 745,224.12 × 298,305.32
  4. Step 4: Simplify right side
    540,027.95x = 222,304,315,862.20
  5. Step 5: Solve for x
    x = 222,304,315,862.20/540,027.95
  6. Step 6: Final answer
    x = 411,653.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.