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Finding the Fourth Proportional to 1,355,616, 2,033,424 and 358,344

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Solution

The fourth proportional to 1,355,616, 2,033,424 and 358,344 is: 537,516

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,616 : 2,033,424 = 358,344 : x
  2. Step 2: Convert to fraction form
    1,355,616/2,033,424 = 358,344/x
  3. Step 3: Cross multiply
    1,355,616x = 2,033,424 × 358,344
  4. Step 4: Simplify right side
    1,355,616x = 728,665,289,856
  5. Step 5: Solve for x
    x = 728,665,289,856/1,355,616
  6. Step 6: Final answer
    x = 537,516

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.