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Finding the Fourth Proportional to 587,376.99, 810,398.16 and 329,218.16

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Solution

The fourth proportional to 587,376.99, 810,398.16 and 329,218.16 is: 454,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,376.99 : 810,398.16 = 329,218.16 : x
  2. Step 2: Convert to fraction form
    587,376.99/810,398.16 = 329,218.16/x
  3. Step 3: Cross multiply
    587,376.99x = 810,398.16 × 329,218.16
  4. Step 4: Simplify right side
    587,376.99x = 266,797,787,050.60
  5. Step 5: Solve for x
    x = 266,797,787,050.60/587,376.99
  6. Step 6: Final answer
    x = 454,219.00

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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.