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Finding the Fourth Proportional to 299,048,579.60, 448,254,004.80 and 114,744,840.80

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Solution

The fourth proportional to 299,048,579.60, 448,254,004.80 and 114,744,840.80 is: 171,994,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,048,579.60 : 448,254,004.80 = 114,744,840.80 : x
  2. Step 2: Convert to fraction form
    299,048,579.60/448,254,004.80 = 114,744,840.80/x
  3. Step 3: Cross multiply
    299,048,579.60x = 448,254,004.80 × 114,744,840.80
  4. Step 4: Simplify right side
    299,048,579.60x = 51,434,834,418,738,432
  5. Step 5: Solve for x
    x = 51,434,834,418,738,432/299,048,579.60
  6. Step 6: Final answer
    x = 171,994,912.96

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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.