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Finding the Fourth Proportional to 587,281.79, 810,505.59 and 329,202.41

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Solution

The fourth proportional to 587,281.79, 810,505.59 and 329,202.41 is: 454,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,281.79 : 810,505.59 = 329,202.41 : x
  2. Step 2: Convert to fraction form
    587,281.79/810,505.59 = 329,202.41/x
  3. Step 3: Cross multiply
    587,281.79x = 810,505.59 × 329,202.41
  4. Step 4: Simplify right side
    587,281.79x = 266,820,393,546.47
  5. Step 5: Solve for x
    x = 266,820,393,546.47/587,281.79
  6. Step 6: Final answer
    x = 454,331.12

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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.