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Finding the Fourth Proportional to 370,188.79, 555,283.25 and 133,531.44

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Solution

The fourth proportional to 370,188.79, 555,283.25 and 133,531.44 is: 200,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,188.79 : 555,283.25 = 133,531.44 : x
  2. Step 2: Convert to fraction form
    370,188.79/555,283.25 = 133,531.44/x
  3. Step 3: Cross multiply
    370,188.79x = 555,283.25 × 133,531.44
  4. Step 4: Simplify right side
    370,188.79x = 74,147,771,312.72
  5. Step 5: Solve for x
    x = 74,147,771,312.72/370,188.79
  6. Step 6: Final answer
    x = 200,297.18

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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.