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Finding the Fourth Proportional to 584,219.79, 806,260.64 and 329,478.03

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Solution

The fourth proportional to 584,219.79, 806,260.64 and 329,478.03 is: 454,700.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,219.79 : 806,260.64 = 329,478.03 : x
  2. Step 2: Convert to fraction form
    584,219.79/806,260.64 = 329,478.03/x
  3. Step 3: Cross multiply
    584,219.79x = 806,260.64 × 329,478.03
  4. Step 4: Simplify right side
    584,219.79x = 265,645,165,686.35
  5. Step 5: Solve for x
    x = 265,645,165,686.35/584,219.79
  6. Step 6: Final answer
    x = 454,700.73

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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.