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Finding the Fourth Proportional to 548,566.59, 756,717.06 and 319,098.06

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Solution

The fourth proportional to 548,566.59, 756,717.06 and 319,098.06 is: 440,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,566.59 : 756,717.06 = 319,098.06 : x
  2. Step 2: Convert to fraction form
    548,566.59/756,717.06 = 319,098.06/x
  3. Step 3: Cross multiply
    548,566.59x = 756,717.06 × 319,098.06
  4. Step 4: Simplify right side
    548,566.59x = 241,466,945,814.90
  5. Step 5: Solve for x
    x = 241,466,945,814.90/548,566.59
  6. Step 6: Final answer
    x = 440,178.00

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Why These Related Problems?

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