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Finding the Fourth Proportional to 348,515.70, 523,162.35 and 325,673.70

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Solution

The fourth proportional to 348,515.70, 523,162.35 and 325,673.70 is: 488,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,515.70 : 523,162.35 = 325,673.70 : x
  2. Step 2: Convert to fraction form
    348,515.70/523,162.35 = 325,673.70/x
  3. Step 3: Cross multiply
    348,515.70x = 523,162.35 × 325,673.70
  4. Step 4: Simplify right side
    348,515.70x = 170,380,218,225.20
  5. Step 5: Solve for x
    x = 170,380,218,225.20/348,515.70
  6. Step 6: Final answer
    x = 488,873.87

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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.