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Finding the Fourth Proportional to 422,761,194.40, 633,385,964.40 and 362,295,018.40

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Solution

The fourth proportional to 422,761,194.40, 633,385,964.40 and 362,295,018.40 is: 542,794,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,761,194.40 : 633,385,964.40 = 362,295,018.40 : x
  2. Step 2: Convert to fraction form
    422,761,194.40/633,385,964.40 = 362,295,018.40/x
  3. Step 3: Cross multiply
    422,761,194.40x = 633,385,964.40 × 362,295,018.40
  4. Step 4: Simplify right side
    422,761,194.40x = 229,472,579,626,599,712
  5. Step 5: Solve for x
    x = 229,472,579,626,599,712/422,761,194.40
  6. Step 6: Final answer
    x = 542,794,803.94

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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.