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Finding the Fourth Proportional to 499,333.89, 749,189.49 and 299,793.48

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Solution

The fourth proportional to 499,333.89, 749,189.49 and 299,793.48 is: 449,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,333.89 : 749,189.49 = 299,793.48 : x
  2. Step 2: Convert to fraction form
    499,333.89/749,189.49 = 299,793.48/x
  3. Step 3: Cross multiply
    499,333.89x = 749,189.49 × 299,793.48
  4. Step 4: Simplify right side
    499,333.89x = 224,602,124,386.53
  5. Step 5: Solve for x
    x = 224,602,124,386.53/499,333.89
  6. Step 6: Final answer
    x = 449,803.49

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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.