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Finding the Fourth Proportional to 299,303.76, 449,037.65 and 149,363.04

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Solution

The fourth proportional to 299,303.76, 449,037.65 and 149,363.04 is: 224,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,303.76 : 449,037.65 = 149,363.04 : x
  2. Step 2: Convert to fraction form
    299,303.76/449,037.65 = 149,363.04/x
  3. Step 3: Cross multiply
    299,303.76x = 449,037.65 × 149,363.04
  4. Step 4: Simplify right side
    299,303.76x = 67,069,628,851.86
  5. Step 5: Solve for x
    x = 67,069,628,851.86/299,303.76
  6. Step 6: Final answer
    x = 224,085.49

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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.