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Finding the Fourth Proportional to 369,737.44, 554,606.16 and 120,419.44

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Solution

The fourth proportional to 369,737.44, 554,606.16 and 120,419.44 is: 180,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,737.44 : 554,606.16 = 120,419.44 : x
  2. Step 2: Convert to fraction form
    369,737.44/554,606.16 = 120,419.44/x
  3. Step 3: Cross multiply
    369,737.44x = 554,606.16 × 120,419.44
  4. Step 4: Simplify right side
    369,737.44x = 66,785,363,207.75
  5. Step 5: Solve for x
    x = 66,785,363,207.75/369,737.44
  6. Step 6: Final answer
    x = 180,629.16

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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.