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Finding the Fourth Proportional to 321,762.50, 444,032.32 and 178,522.20

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Solution

The fourth proportional to 321,762.50, 444,032.32 and 178,522.20 is: 246,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,762.50 : 444,032.32 = 178,522.20 : x
  2. Step 2: Convert to fraction form
    321,762.50/444,032.32 = 178,522.20/x
  3. Step 3: Cross multiply
    321,762.50x = 444,032.32 × 178,522.20
  4. Step 4: Simplify right side
    321,762.50x = 79,269,626,637.50
  5. Step 5: Solve for x
    x = 79,269,626,637.50/321,762.50
  6. Step 6: Final answer
    x = 246,360.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.