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Finding the Fourth Proportional to 456,173.28, 629,492.18 and 252,208.17

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Solution

The fourth proportional to 456,173.28, 629,492.18 and 252,208.17 is: 348,032.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,173.28 : 629,492.18 = 252,208.17 : x
  2. Step 2: Convert to fraction form
    456,173.28/629,492.18 = 252,208.17/x
  3. Step 3: Cross multiply
    456,173.28x = 629,492.18 × 252,208.17
  4. Step 4: Simplify right side
    456,173.28x = 158,763,069,486.07
  5. Step 5: Solve for x
    x = 158,763,069,486.07/456,173.28
  6. Step 6: Final answer
    x = 348,032.37

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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.