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Finding the Fourth Proportional to 444,431.84, 666,666.72 and 174,618.36

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Solution

The fourth proportional to 444,431.84, 666,666.72 and 174,618.36 is: 261,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,431.84 : 666,666.72 = 174,618.36 : x
  2. Step 2: Convert to fraction form
    444,431.84/666,666.72 = 174,618.36/x
  3. Step 3: Cross multiply
    444,431.84x = 666,666.72 × 174,618.36
  4. Step 4: Simplify right side
    444,431.84x = 116,412,249,312.98
  5. Step 5: Solve for x
    x = 116,412,249,312.98/444,431.84
  6. Step 6: Final answer
    x = 261,934.99

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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.