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Finding the Fourth Proportional to 370,836.69, 556,255 and 134,124

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Solution

The fourth proportional to 370,836.69, 556,255 and 134,124 is: 201,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,836.69 : 556,255 = 134,124 : x
  2. Step 2: Convert to fraction form
    370,836.69/556,255 = 134,124/x
  3. Step 3: Cross multiply
    370,836.69x = 556,255 × 134,124
  4. Step 4: Simplify right side
    370,836.69x = 74,607,145,620
  5. Step 5: Solve for x
    x = 74,607,145,620/370,836.69
  6. Step 6: Final answer
    x = 201,185.99

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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.