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Finding the Fourth Proportional to 649,571.56, 974,024.60 and 346,138.67

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Solution

The fourth proportional to 649,571.56, 974,024.60 and 346,138.67 is: 519,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,571.56 : 974,024.60 = 346,138.67 : x
  2. Step 2: Convert to fraction form
    649,571.56/974,024.60 = 346,138.67/x
  3. Step 3: Cross multiply
    649,571.56x = 974,024.60 × 346,138.67
  4. Step 4: Simplify right side
    649,571.56x = 337,147,580,295.65
  5. Step 5: Solve for x
    x = 337,147,580,295.65/649,571.56
  6. Step 6: Final answer
    x = 519,030.70

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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.