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Finding the Fourth Proportional to 295,355.84, 443,012.34 and 115,407.44

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Solution

The fourth proportional to 295,355.84, 443,012.34 and 115,407.44 is: 173,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,355.84 : 443,012.34 = 115,407.44 : x
  2. Step 2: Convert to fraction form
    295,355.84/443,012.34 = 115,407.44/x
  3. Step 3: Cross multiply
    295,355.84x = 443,012.34 × 115,407.44
  4. Step 4: Simplify right side
    295,355.84x = 51,126,920,047.81
  5. Step 5: Solve for x
    x = 51,126,920,047.81/295,355.84
  6. Step 6: Final answer
    x = 173,102.79

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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.