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Finding the Fourth Proportional to 978,762.24, 1,467,668.68 and 574,086.67

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Solution

The fourth proportional to 978,762.24, 1,467,668.68 and 574,086.67 is: 860,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,762.24 : 1,467,668.68 = 574,086.67 : x
  2. Step 2: Convert to fraction form
    978,762.24/1,467,668.68 = 574,086.67/x
  3. Step 3: Cross multiply
    978,762.24x = 1,467,668.68 × 574,086.67
  4. Step 4: Simplify right side
    978,762.24x = 842,569,025,164.50
  5. Step 5: Solve for x
    x = 842,569,025,164.50/978,762.24
  6. Step 6: Final answer
    x = 860,851.58

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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.