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Finding the Fourth Proportional to 400,417.72, 552,559.86 and 219,125.08

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Solution

The fourth proportional to 400,417.72, 552,559.86 and 219,125.08 is: 302,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,417.72 : 552,559.86 = 219,125.08 : x
  2. Step 2: Convert to fraction form
    400,417.72/552,559.86 = 219,125.08/x
  3. Step 3: Cross multiply
    400,417.72x = 552,559.86 × 219,125.08
  4. Step 4: Simplify right side
    400,417.72x = 121,079,723,527.29
  5. Step 5: Solve for x
    x = 121,079,723,527.29/400,417.72
  6. Step 6: Final answer
    x = 302,383.53

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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.