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Finding the Fourth Proportional to 369,794.63, 554,735.69 and 120,476.63

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Solution

The fourth proportional to 369,794.63, 554,735.69 and 120,476.63 is: 180,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,794.63 : 554,735.69 = 120,476.63 : x
  2. Step 2: Convert to fraction form
    369,794.63/554,735.69 = 120,476.63/x
  3. Step 3: Cross multiply
    369,794.63x = 554,735.69 × 120,476.63
  4. Step 4: Simplify right side
    369,794.63x = 66,832,683,095.86
  5. Step 5: Solve for x
    x = 66,832,683,095.86/369,794.63
  6. Step 6: Final answer
    x = 180,729.19

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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.