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Finding the Fourth Proportional to 269,076,961.20, 403,615,441.80 and 235,064,737.20

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Solution

The fourth proportional to 269,076,961.20, 403,615,441.80 and 235,064,737.20 is: 352,597,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,076,961.20 : 403,615,441.80 = 235,064,737.20 : x
  2. Step 2: Convert to fraction form
    269,076,961.20/403,615,441.80 = 235,064,737.20/x
  3. Step 3: Cross multiply
    269,076,961.20x = 403,615,441.80 × 235,064,737.20
  4. Step 4: Simplify right side
    269,076,961.20x = 94,875,757,756,578,896
  5. Step 5: Solve for x
    x = 94,875,757,756,578,896/269,076,961.20
  6. Step 6: Final answer
    x = 352,597,105.80

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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.