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Finding the Fourth Proportional to 231,045.60, 345,894.48 and 207,035.04

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Solution

The fourth proportional to 231,045.60, 345,894.48 and 207,035.04 is: 309,948.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,045.60 : 345,894.48 = 207,035.04 : x
  2. Step 2: Convert to fraction form
    231,045.60/345,894.48 = 207,035.04/x
  3. Step 3: Cross multiply
    231,045.60x = 345,894.48 × 207,035.04
  4. Step 4: Simplify right side
    231,045.60x = 71,612,277,502.58
  5. Step 5: Solve for x
    x = 71,612,277,502.58/231,045.60
  6. Step 6: Final answer
    x = 309,948.67

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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.