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Finding the Fourth Proportional to 363,589,571.60, 545,384,357.40 and 248,798,315.60

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Solution

The fourth proportional to 363,589,571.60, 545,384,357.40 and 248,798,315.60 is: 373,197,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,589,571.60 : 545,384,357.40 = 248,798,315.60 : x
  2. Step 2: Convert to fraction form
    363,589,571.60/545,384,357.40 = 248,798,315.60/x
  3. Step 3: Cross multiply
    363,589,571.60x = 545,384,357.40 × 248,798,315.60
  4. Step 4: Simplify right side
    363,589,571.60x = 135,690,709,475,708,384
  5. Step 5: Solve for x
    x = 135,690,709,475,708,384/363,589,571.60
  6. Step 6: Final answer
    x = 373,197,473.40

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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.