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Finding the Fourth Proportional to 441,357.44, 608,916.62 and 288,483.92

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Solution

The fourth proportional to 441,357.44, 608,916.62 and 288,483.92 is: 398,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,357.44 : 608,916.62 = 288,483.92 : x
  2. Step 2: Convert to fraction form
    441,357.44/608,916.62 = 288,483.92/x
  3. Step 3: Cross multiply
    441,357.44x = 608,916.62 × 288,483.92
  4. Step 4: Simplify right side
    441,357.44x = 175,662,653,490.75
  5. Step 5: Solve for x
    x = 175,662,653,490.75/441,357.44
  6. Step 6: Final answer
    x = 398,005.42

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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.