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Finding the Fourth Proportional to 351,156.56, 484,592.40 and 190,008.08

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Solution

The fourth proportional to 351,156.56, 484,592.40 and 190,008.08 is: 262,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,156.56 : 484,592.40 = 190,008.08 : x
  2. Step 2: Convert to fraction form
    351,156.56/484,592.40 = 190,008.08/x
  3. Step 3: Cross multiply
    351,156.56x = 484,592.40 × 190,008.08
  4. Step 4: Simplify right side
    351,156.56x = 92,076,471,506.59
  5. Step 5: Solve for x
    x = 92,076,471,506.59/351,156.56
  6. Step 6: Final answer
    x = 262,209.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.