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Finding the Fourth Proportional to 449,007.95, 673,154.30 and 259,253.07

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Solution

The fourth proportional to 449,007.95, 673,154.30 and 259,253.07 is: 388,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,007.95 : 673,154.30 = 259,253.07 : x
  2. Step 2: Convert to fraction form
    449,007.95/673,154.30 = 259,253.07/x
  3. Step 3: Cross multiply
    449,007.95x = 673,154.30 × 259,253.07
  4. Step 4: Simplify right side
    449,007.95x = 174,517,319,506.83
  5. Step 5: Solve for x
    x = 174,517,319,506.83/449,007.95
  6. Step 6: Final answer
    x = 388,673.12

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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.