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Finding the Fourth Proportional to 584,134.89, 806,105.72 and 329,486.08

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Solution

The fourth proportional to 584,134.89, 806,105.72 and 329,486.08 is: 454,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,134.89 : 806,105.72 = 329,486.08 : x
  2. Step 2: Convert to fraction form
    584,134.89/806,105.72 = 329,486.08/x
  3. Step 3: Cross multiply
    584,134.89x = 806,105.72 × 329,486.08
  4. Step 4: Simplify right side
    584,134.89x = 265,600,614,068.28
  5. Step 5: Solve for x
    x = 265,600,614,068.28/584,134.89
  6. Step 6: Final answer
    x = 454,690.55

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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.