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Finding the Fourth Proportional to 623,003.58, 859,745.29 and 336,523.67

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Solution

The fourth proportional to 623,003.58, 859,745.29 and 336,523.67 is: 464,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,003.58 : 859,745.29 = 336,523.67 : x
  2. Step 2: Convert to fraction form
    623,003.58/859,745.29 = 336,523.67/x
  3. Step 3: Cross multiply
    623,003.58x = 859,745.29 × 336,523.67
  4. Step 4: Simplify right side
    623,003.58x = 289,324,641,564.07
  5. Step 5: Solve for x
    x = 289,324,641,564.07/623,003.58
  6. Step 6: Final answer
    x = 464,402.86

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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.