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Finding the Fourth Proportional to 368,394, 552,591 and 146,933.52

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Solution

The fourth proportional to 368,394, 552,591 and 146,933.52 is: 220,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,394 : 552,591 = 146,933.52 : x
  2. Step 2: Convert to fraction form
    368,394/552,591 = 146,933.52/x
  3. Step 3: Cross multiply
    368,394x = 552,591 × 146,933.52
  4. Step 4: Simplify right side
    368,394x = 81,194,140,750.32
  5. Step 5: Solve for x
    x = 81,194,140,750.32/368,394
  6. Step 6: Final answer
    x = 220,400.28

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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.