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Finding the Fourth Proportional to 2,789,784.72, 4,184,647.92 and 896,527.98

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Solution

The fourth proportional to 2,789,784.72, 4,184,647.92 and 896,527.98 is: 1,344,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,784.72 : 4,184,647.92 = 896,527.98 : x
  2. Step 2: Convert to fraction form
    2,789,784.72/4,184,647.92 = 896,527.98/x
  3. Step 3: Cross multiply
    2,789,784.72x = 4,184,647.92 × 896,527.98
  4. Step 4: Simplify right side
    2,789,784.72x = 3,751,653,946,728.80
  5. Step 5: Solve for x
    x = 3,751,653,946,728.80/2,789,784.72
  6. Step 6: Final answer
    x = 1,344,782.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.