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Finding the Fourth Proportional to 587,771.06, 810,373.16 and 380,673.54

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Solution

The fourth proportional to 587,771.06, 810,373.16 and 380,673.54 is: 524,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,771.06 : 810,373.16 = 380,673.54 : x
  2. Step 2: Convert to fraction form
    587,771.06/810,373.16 = 380,673.54/x
  3. Step 3: Cross multiply
    587,771.06x = 810,373.16 × 380,673.54
  4. Step 4: Simplify right side
    587,771.06x = 308,487,617,634.82
  5. Step 5: Solve for x
    x = 308,487,617,634.82/587,771.06
  6. Step 6: Final answer
    x = 524,843.16

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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.