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Finding the Fourth Proportional to 370,188.94, 555,283.48 and 133,531.59

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Solution

The fourth proportional to 370,188.94, 555,283.48 and 133,531.59 is: 200,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,188.94 : 555,283.48 = 133,531.59 : x
  2. Step 2: Convert to fraction form
    370,188.94/555,283.48 = 133,531.59/x
  3. Step 3: Cross multiply
    370,188.94x = 555,283.48 × 133,531.59
  4. Step 4: Simplify right side
    370,188.94x = 74,147,888,234.36
  5. Step 5: Solve for x
    x = 74,147,888,234.36/370,188.94
  6. Step 6: Final answer
    x = 200,297.42

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1.5x scale

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.