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Finding the Fourth Proportional to 296,091.40, 443,618.70 and 243,214.60

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Solution

The fourth proportional to 296,091.40, 443,618.70 and 243,214.60 is: 364,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,091.40 : 443,618.70 = 243,214.60 : x
  2. Step 2: Convert to fraction form
    296,091.40/443,618.70 = 243,214.60/x
  3. Step 3: Cross multiply
    296,091.40x = 443,618.70 × 243,214.60
  4. Step 4: Simplify right side
    296,091.40x = 107,894,544,673.02
  5. Step 5: Solve for x
    x = 107,894,544,673.02/296,091.40
  6. Step 6: Final answer
    x = 364,396.08

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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.