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Finding the Fourth Proportional to 296,557.36, 445,018.62 and 116,611.12

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Solution

The fourth proportional to 296,557.36, 445,018.62 and 116,611.12 is: 174,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,557.36 : 445,018.62 = 116,611.12 : x
  2. Step 2: Convert to fraction form
    296,557.36/445,018.62 = 116,611.12/x
  3. Step 3: Cross multiply
    296,557.36x = 445,018.62 × 116,611.12
  4. Step 4: Simplify right side
    296,557.36x = 51,894,119,699.05
  5. Step 5: Solve for x
    x = 51,894,119,699.05/296,557.36
  6. Step 6: Final answer
    x = 174,988.47

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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.