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Finding the Fourth Proportional to 298,762.05, 448,222.86 and 130,295.97

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Solution

The fourth proportional to 298,762.05, 448,222.86 and 130,295.97 is: 195,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,762.05 : 448,222.86 = 130,295.97 : x
  2. Step 2: Convert to fraction form
    298,762.05/448,222.86 = 130,295.97/x
  3. Step 3: Cross multiply
    298,762.05x = 448,222.86 × 130,295.97
  4. Step 4: Simplify right side
    298,762.05x = 58,401,632,319.87
  5. Step 5: Solve for x
    x = 58,401,632,319.87/298,762.05
  6. Step 6: Final answer
    x = 195,478.75

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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.