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Finding the Fourth Proportional to 587,584.09, 810,567.57 and 383,754.31

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Solution

The fourth proportional to 587,584.09, 810,567.57 and 383,754.31 is: 529,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,584.09 : 810,567.57 = 383,754.31 : x
  2. Step 2: Convert to fraction form
    587,584.09/810,567.57 = 383,754.31/x
  3. Step 3: Cross multiply
    587,584.09x = 810,567.57 × 383,754.31
  4. Step 4: Simplify right side
    587,584.09x = 311,058,798,533.73
  5. Step 5: Solve for x
    x = 311,058,798,533.73/587,584.09
  6. Step 6: Final answer
    x = 529,386.01

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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.