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Finding the Fourth Proportional to 584,228.54, 806,272.71 and 329,486.78

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Solution

The fourth proportional to 584,228.54, 806,272.71 and 329,486.78 is: 454,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,228.54 : 806,272.71 = 329,486.78 : x
  2. Step 2: Convert to fraction form
    584,228.54/806,272.71 = 329,486.78/x
  3. Step 3: Cross multiply
    584,228.54x = 806,272.71 × 329,486.78
  4. Step 4: Simplify right side
    584,228.54x = 265,656,199,019.77
  5. Step 5: Solve for x
    x = 265,656,199,019.77/584,228.54
  6. Step 6: Final answer
    x = 454,712.81

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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.