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Finding the Fourth Proportional to 452,089.55, 678,252.51 and 262,367.53

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Solution

The fourth proportional to 452,089.55, 678,252.51 and 262,367.53 is: 393,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,089.55 : 678,252.51 = 262,367.53 : x
  2. Step 2: Convert to fraction form
    452,089.55/678,252.51 = 262,367.53/x
  3. Step 3: Cross multiply
    452,089.55x = 678,252.51 × 262,367.53
  4. Step 4: Simplify right side
    452,089.55x = 177,951,437,425.81
  5. Step 5: Solve for x
    x = 177,951,437,425.81/452,089.55
  6. Step 6: Final answer
    x = 393,619.89

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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.