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Finding the Fourth Proportional to 392,110.40, 588,165.60 and 370,337.60

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Solution

The fourth proportional to 392,110.40, 588,165.60 and 370,337.60 is: 555,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,110.40 : 588,165.60 = 370,337.60 : x
  2. Step 2: Convert to fraction form
    392,110.40/588,165.60 = 370,337.60/x
  3. Step 3: Cross multiply
    392,110.40x = 588,165.60 × 370,337.60
  4. Step 4: Simplify right side
    392,110.40x = 217,819,836,706.56
  5. Step 5: Solve for x
    x = 217,819,836,706.56/392,110.40
  6. Step 6: Final answer
    x = 555,506.40

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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.