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Finding the Fourth Proportional to 352,881.88, 529,025.23 and 153,051.76

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Solution

The fourth proportional to 352,881.88, 529,025.23 and 153,051.76 is: 229,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,881.88 : 529,025.23 = 153,051.76 : x
  2. Step 2: Convert to fraction form
    352,881.88/529,025.23 = 153,051.76/x
  3. Step 3: Cross multiply
    352,881.88x = 529,025.23 × 153,051.76
  4. Step 4: Simplify right side
    352,881.88x = 80,968,243,388.50
  5. Step 5: Solve for x
    x = 80,968,243,388.50/352,881.88
  6. Step 6: Final answer
    x = 229,448.57

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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.