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Finding the Fourth Proportional to 404,347.01, 606,416.73 and 119,970.28

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Solution

The fourth proportional to 404,347.01, 606,416.73 and 119,970.28 is: 179,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,347.01 : 606,416.73 = 119,970.28 : x
  2. Step 2: Convert to fraction form
    404,347.01/606,416.73 = 119,970.28/x
  3. Step 3: Cross multiply
    404,347.01x = 606,416.73 × 119,970.28
  4. Step 4: Simplify right side
    404,347.01x = 72,751,985,202.92
  5. Step 5: Solve for x
    x = 72,751,985,202.92/404,347.01
  6. Step 6: Final answer
    x = 179,924.63

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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.