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Finding the Fourth Proportional to 315,299.28, 473,135.68 and 295,350.60

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Solution

The fourth proportional to 315,299.28, 473,135.68 and 295,350.60 is: 443,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,299.28 : 473,135.68 = 295,350.60 : x
  2. Step 2: Convert to fraction form
    315,299.28/473,135.68 = 295,350.60/x
  3. Step 3: Cross multiply
    315,299.28x = 473,135.68 × 295,350.60
  4. Step 4: Simplify right side
    315,299.28x = 139,740,909,112.86
  5. Step 5: Solve for x
    x = 139,740,909,112.86/315,299.28
  6. Step 6: Final answer
    x = 443,200.85

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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.