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Finding the Fourth Proportional to 529,388.90, 793,636.89 and 229,643.67

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Solution

The fourth proportional to 529,388.90, 793,636.89 and 229,643.67 is: 344,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,388.90 : 793,636.89 = 229,643.67 : x
  2. Step 2: Convert to fraction form
    529,388.90/793,636.89 = 229,643.67/x
  3. Step 3: Cross multiply
    529,388.90x = 793,636.89 × 229,643.67
  4. Step 4: Simplify right side
    529,388.90x = 182,253,691,473.71
  5. Step 5: Solve for x
    x = 182,253,691,473.71/529,388.90
  6. Step 6: Final answer
    x = 344,271.84

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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.