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Finding the Fourth Proportional to 385,954.37, 578,622.26 and 183,448.83

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Solution

The fourth proportional to 385,954.37, 578,622.26 and 183,448.83 is: 275,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,954.37 : 578,622.26 = 183,448.83 : x
  2. Step 2: Convert to fraction form
    385,954.37/578,622.26 = 183,448.83/x
  3. Step 3: Cross multiply
    385,954.37x = 578,622.26 × 183,448.83
  4. Step 4: Simplify right side
    385,954.37x = 106,147,575,691.71
  5. Step 5: Solve for x
    x = 106,147,575,691.71/385,954.37
  6. Step 6: Final answer
    x = 275,026.23

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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.