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Finding the Fourth Proportional to 385,955.87, 578,624.51 and 183,450.33

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Solution

The fourth proportional to 385,955.87, 578,624.51 and 183,450.33 is: 275,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,955.87 : 578,624.51 = 183,450.33 : x
  2. Step 2: Convert to fraction form
    385,955.87/578,624.51 = 183,450.33/x
  3. Step 3: Cross multiply
    385,955.87x = 578,624.51 × 183,450.33
  4. Step 4: Simplify right side
    385,955.87x = 106,148,856,388.34
  5. Step 5: Solve for x
    x = 106,148,856,388.34/385,955.87
  6. Step 6: Final answer
    x = 275,028.48

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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.