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Finding the Fourth Proportional to 468,653.48, 646,740.50 and 253,793.49

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Solution

The fourth proportional to 468,653.48, 646,740.50 and 253,793.49 is: 350,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,653.48 : 646,740.50 = 253,793.49 : x
  2. Step 2: Convert to fraction form
    468,653.48/646,740.50 = 253,793.49/x
  3. Step 3: Cross multiply
    468,653.48x = 646,740.50 × 253,793.49
  4. Step 4: Simplify right side
    468,653.48x = 164,138,524,925.10
  5. Step 5: Solve for x
    x = 164,138,524,925.10/468,653.48
  6. Step 6: Final answer
    x = 350,234.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.