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Finding the Fourth Proportional to 452,859.12, 678,645 and 333,592.56

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Solution

The fourth proportional to 452,859.12, 678,645 and 333,592.56 is: 499,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,859.12 : 678,645 = 333,592.56 : x
  2. Step 2: Convert to fraction form
    452,859.12/678,645 = 333,592.56/x
  3. Step 3: Cross multiply
    452,859.12x = 678,645 × 333,592.56
  4. Step 4: Simplify right side
    452,859.12x = 226,390,922,881.20
  5. Step 5: Solve for x
    x = 226,390,922,881.20/452,859.12
  6. Step 6: Final answer
    x = 499,914.68

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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.