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Finding the Fourth Proportional to 368,860.94, 553,366.00 and 155,629.38

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Solution

The fourth proportional to 368,860.94, 553,366.00 and 155,629.38 is: 233,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,860.94 : 553,366.00 = 155,629.38 : x
  2. Step 2: Convert to fraction form
    368,860.94/553,366.00 = 155,629.38/x
  3. Step 3: Cross multiply
    368,860.94x = 553,366.00 × 155,629.38
  4. Step 4: Simplify right side
    368,860.94x = 86,120,007,104.01
  5. Step 5: Solve for x
    x = 86,120,007,104.01/368,860.94
  6. Step 6: Final answer
    x = 233,475.54

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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.