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Finding the Fourth Proportional to 298,742.44, 412,259.36 and 162,777.51

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Solution

The fourth proportional to 298,742.44, 412,259.36 and 162,777.51 is: 224,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,742.44 : 412,259.36 = 162,777.51 : x
  2. Step 2: Convert to fraction form
    298,742.44/412,259.36 = 162,777.51/x
  3. Step 3: Cross multiply
    298,742.44x = 412,259.36 × 162,777.51
  4. Step 4: Simplify right side
    298,742.44x = 67,106,552,094.99
  5. Step 5: Solve for x
    x = 67,106,552,094.99/298,742.44
  6. Step 6: Final answer
    x = 224,630.13

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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.