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Finding the Fourth Proportional to 329,271.63, 454,393.89 and 186,031.59

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Solution

The fourth proportional to 329,271.63, 454,393.89 and 186,031.59 is: 256,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,271.63 : 454,393.89 = 186,031.59 : x
  2. Step 2: Convert to fraction form
    329,271.63/454,393.89 = 186,031.59/x
  3. Step 3: Cross multiply
    329,271.63x = 454,393.89 × 186,031.59
  4. Step 4: Simplify right side
    329,271.63x = 84,531,617,842.99
  5. Step 5: Solve for x
    x = 84,531,617,842.99/329,271.63
  6. Step 6: Final answer
    x = 256,723.05

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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.