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Finding the Fourth Proportional to 1,331,573.04, 1,997,163 and 489,929.04

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Solution

The fourth proportional to 1,331,573.04, 1,997,163 and 489,929.04 is: 734,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,573.04 : 1,997,163 = 489,929.04 : x
  2. Step 2: Convert to fraction form
    1,331,573.04/1,997,163 = 489,929.04/x
  3. Step 3: Cross multiply
    1,331,573.04x = 1,997,163 × 489,929.04
  4. Step 4: Simplify right side
    1,331,573.04x = 978,468,151,313.52
  5. Step 5: Solve for x
    x = 978,468,151,313.52/1,331,573.04
  6. Step 6: Final answer
    x = 734,821.24

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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.