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Finding the Fourth Proportional to 571,658.03, 786,908.12 and 494,098.35

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Solution

The fourth proportional to 571,658.03, 786,908.12 and 494,098.35 is: 680,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,658.03 : 786,908.12 = 494,098.35 : x
  2. Step 2: Convert to fraction form
    571,658.03/786,908.12 = 494,098.35/x
  3. Step 3: Cross multiply
    571,658.03x = 786,908.12 × 494,098.35
  4. Step 4: Simplify right side
    571,658.03x = 388,810,004,911.74
  5. Step 5: Solve for x
    x = 388,810,004,911.74/571,658.03
  6. Step 6: Final answer
    x = 680,144.39

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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.