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Finding the Fourth Proportional to 368,377, 552,444 and 119,000.68

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Solution

The fourth proportional to 368,377, 552,444 and 119,000.68 is: 178,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,377 : 552,444 = 119,000.68 : x
  2. Step 2: Convert to fraction form
    368,377/552,444 = 119,000.68/x
  3. Step 3: Cross multiply
    368,377x = 552,444 × 119,000.68
  4. Step 4: Simplify right side
    368,377x = 65,741,211,661.92
  5. Step 5: Solve for x
    x = 65,741,211,661.92/368,377
  6. Step 6: Final answer
    x = 178,461.77

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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.