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Finding the Fourth Proportional to 587,252.71, 810,465.57 and 329,173.45

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Solution

The fourth proportional to 587,252.71, 810,465.57 and 329,173.45 is: 454,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,252.71 : 810,465.57 = 329,173.45 : x
  2. Step 2: Convert to fraction form
    587,252.71/810,465.57 = 329,173.45/x
  3. Step 3: Cross multiply
    587,252.71x = 810,465.57 × 329,173.45
  4. Step 4: Simplify right side
    587,252.71x = 266,783,747,783.12
  5. Step 5: Solve for x
    x = 266,783,747,783.12/587,252.71
  6. Step 6: Final answer
    x = 454,291.22

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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.