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Finding the Fourth Proportional to 296,810.64, 445,236.48 and 119,317.77

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Solution

The fourth proportional to 296,810.64, 445,236.48 and 119,317.77 is: 178,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,810.64 : 445,236.48 = 119,317.77 : x
  2. Step 2: Convert to fraction form
    296,810.64/445,236.48 = 119,317.77/x
  3. Step 3: Cross multiply
    296,810.64x = 445,236.48 × 119,317.77
  4. Step 4: Simplify right side
    296,810.64x = 53,124,623,916.25
  5. Step 5: Solve for x
    x = 53,124,623,916.25/296,810.64
  6. Step 6: Final answer
    x = 178,984.90

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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.