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Finding the Fourth Proportional to 584,978.67, 807,220.46 and 336,628.67

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Solution

The fourth proportional to 584,978.67, 807,220.46 and 336,628.67 is: 464,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,978.67 : 807,220.46 = 336,628.67 : x
  2. Step 2: Convert to fraction form
    584,978.67/807,220.46 = 336,628.67/x
  3. Step 3: Cross multiply
    584,978.67x = 807,220.46 × 336,628.67
  4. Step 4: Simplify right side
    584,978.67x = 271,733,546,652.06
  5. Step 5: Solve for x
    x = 271,733,546,652.06/584,978.67
  6. Step 6: Final answer
    x = 464,518.73

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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.