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Finding the Fourth Proportional to 451,965.72, 623,710.98 and 248,020.08

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Solution

The fourth proportional to 451,965.72, 623,710.98 and 248,020.08 is: 342,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,965.72 : 623,710.98 = 248,020.08 : x
  2. Step 2: Convert to fraction form
    451,965.72/623,710.98 = 248,020.08/x
  3. Step 3: Cross multiply
    451,965.72x = 623,710.98 × 248,020.08
  4. Step 4: Simplify right side
    451,965.72x = 154,692,847,156.48
  5. Step 5: Solve for x
    x = 154,692,847,156.48/451,965.72
  6. Step 6: Final answer
    x = 342,266.77

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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.