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Finding the Fourth Proportional to 529,390.90, 793,639.89 and 229,645.67

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Solution

The fourth proportional to 529,390.90, 793,639.89 and 229,645.67 is: 344,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,390.90 : 793,639.89 = 229,645.67 : x
  2. Step 2: Convert to fraction form
    529,390.90/793,639.89 = 229,645.67/x
  3. Step 3: Cross multiply
    529,390.90x = 793,639.89 × 229,645.67
  4. Step 4: Simplify right side
    529,390.90x = 182,255,964,277.78
  5. Step 5: Solve for x
    x = 182,255,964,277.78/529,390.90
  6. Step 6: Final answer
    x = 344,274.83

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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.