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Finding the Fourth Proportional to 570,665.97, 856,165.59 and 255,049.02

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Solution

The fourth proportional to 570,665.97, 856,165.59 and 255,049.02 is: 382,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,665.97 : 856,165.59 = 255,049.02 : x
  2. Step 2: Convert to fraction form
    570,665.97/856,165.59 = 255,049.02/x
  3. Step 3: Cross multiply
    570,665.97x = 856,165.59 × 255,049.02
  4. Step 4: Simplify right side
    570,665.97x = 218,364,194,687.22
  5. Step 5: Solve for x
    x = 218,364,194,687.22/570,665.97
  6. Step 6: Final answer
    x = 382,648.00

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Why These Related Problems?

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