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Finding the Fourth Proportional to 489,793,574.88, 734,780,771.28 and 202,601,633.76

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Solution

The fourth proportional to 489,793,574.88, 734,780,771.28 and 202,601,633.76 is: 303,939,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,793,574.88 : 734,780,771.28 = 202,601,633.76 : x
  2. Step 2: Convert to fraction form
    489,793,574.88/734,780,771.28 = 202,601,633.76/x
  3. Step 3: Cross multiply
    489,793,574.88x = 734,780,771.28 × 202,601,633.76
  4. Step 4: Simplify right side
    489,793,574.88x = 148,867,784,716,760,864
  5. Step 5: Solve for x
    x = 148,867,784,716,760,864/489,793,574.88
  6. Step 6: Final answer
    x = 303,939,848.03

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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.