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Finding the Fourth Proportional to 583,622.60, 805,375.86 and 329,026.68

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Solution

The fourth proportional to 583,622.60, 805,375.86 and 329,026.68 is: 454,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,622.60 : 805,375.86 = 329,026.68 : x
  2. Step 2: Convert to fraction form
    583,622.60/805,375.86 = 329,026.68/x
  3. Step 3: Cross multiply
    583,622.60x = 805,375.86 × 329,026.68
  4. Step 4: Simplify right side
    583,622.60x = 264,990,145,367.95
  5. Step 5: Solve for x
    x = 264,990,145,367.95/583,622.60
  6. Step 6: Final answer
    x = 454,043.67

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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.