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Finding the Fourth Proportional to 616,680.87, 851,025.92 and 344,763.87

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Solution

The fourth proportional to 616,680.87, 851,025.92 and 344,763.87 is: 475,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,680.87 : 851,025.92 = 344,763.87 : x
  2. Step 2: Convert to fraction form
    616,680.87/851,025.92 = 344,763.87/x
  3. Step 3: Cross multiply
    616,680.87x = 851,025.92 × 344,763.87
  4. Step 4: Simplify right side
    616,680.87x = 293,402,989,649.51
  5. Step 5: Solve for x
    x = 293,402,989,649.51/616,680.87
  6. Step 6: Final answer
    x = 475,777.67

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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.