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Finding the Fourth Proportional to 298,055.60, 446,929.80 and 110,970.80

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Solution

The fourth proportional to 298,055.60, 446,929.80 and 110,970.80 is: 166,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,055.60 : 446,929.80 = 110,970.80 : x
  2. Step 2: Convert to fraction form
    298,055.60/446,929.80 = 110,970.80/x
  3. Step 3: Cross multiply
    298,055.60x = 446,929.80 × 110,970.80
  4. Step 4: Simplify right side
    298,055.60x = 49,596,157,449.84
  5. Step 5: Solve for x
    x = 49,596,157,449.84/298,055.60
  6. Step 6: Final answer
    x = 166,399.01

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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.