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Finding the Fourth Proportional to 579,341.37, 867,891.14 and 325,851.67

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Solution

The fourth proportional to 579,341.37, 867,891.14 and 325,851.67 is: 488,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,341.37 : 867,891.14 = 325,851.67 : x
  2. Step 2: Convert to fraction form
    579,341.37/867,891.14 = 325,851.67/x
  3. Step 3: Cross multiply
    579,341.37x = 867,891.14 × 325,851.67
  4. Step 4: Simplify right side
    579,341.37x = 282,803,777,347.20
  5. Step 5: Solve for x
    x = 282,803,777,347.20/579,341.37
  6. Step 6: Final answer
    x = 488,147.04

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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.