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Finding the Fourth Proportional to 299,572,212.80, 448,686,472.80 and 245,824,500.80

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Solution

The fourth proportional to 299,572,212.80, 448,686,472.80 and 245,824,500.80 is: 368,185,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,572,212.80 : 448,686,472.80 = 245,824,500.80 : x
  2. Step 2: Convert to fraction form
    299,572,212.80/448,686,472.80 = 245,824,500.80/x
  3. Step 3: Cross multiply
    299,572,212.80x = 448,686,472.80 × 245,824,500.80
  4. Step 4: Simplify right side
    299,572,212.80x = 110,298,128,191,772,784
  5. Step 5: Solve for x
    x = 110,298,128,191,772,784/299,572,212.80
  6. Step 6: Final answer
    x = 368,185,444.04

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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.