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Finding the Fourth Proportional to 477,305.56, 717,270.59 and 446,097.07

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Solution

The fourth proportional to 477,305.56, 717,270.59 and 446,097.07 is: 670,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,305.56 : 717,270.59 = 446,097.07 : x
  2. Step 2: Convert to fraction form
    477,305.56/717,270.59 = 446,097.07/x
  3. Step 3: Cross multiply
    477,305.56x = 717,270.59 × 446,097.07
  4. Step 4: Simplify right side
    477,305.56x = 319,972,310,608.00
  5. Step 5: Solve for x
    x = 319,972,310,608.00/477,305.56
  6. Step 6: Final answer
    x = 670,372.06

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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.