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Finding the Fourth Proportional to 368,396, 552,594 and 119,078

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Solution

The fourth proportional to 368,396, 552,594 and 119,078 is: 178,617

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,396 : 552,594 = 119,078 : x
  2. Step 2: Convert to fraction form
    368,396/552,594 = 119,078/x
  3. Step 3: Cross multiply
    368,396x = 552,594 × 119,078
  4. Step 4: Simplify right side
    368,396x = 65,801,788,332
  5. Step 5: Solve for x
    x = 65,801,788,332/368,396
  6. Step 6: Final answer
    x = 178,617

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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.