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Finding the Fourth Proportional to 296,717.94, 445,146.93 and 97,037.55

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Solution

The fourth proportional to 296,717.94, 445,146.93 and 97,037.55 is: 145,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,717.94 : 445,146.93 = 97,037.55 : x
  2. Step 2: Convert to fraction form
    296,717.94/445,146.93 = 97,037.55/x
  3. Step 3: Cross multiply
    296,717.94x = 445,146.93 × 97,037.55
  4. Step 4: Simplify right side
    296,717.94x = 43,195,967,477.22
  5. Step 5: Solve for x
    x = 43,195,967,477.22/296,717.94
  6. Step 6: Final answer
    x = 145,579.22

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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.