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Finding the Fourth Proportional to 373,790, 560,918.28 and 152,174

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Solution

The fourth proportional to 373,790, 560,918.28 and 152,174 is: 228,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,790 : 560,918.28 = 152,174 : x
  2. Step 2: Convert to fraction form
    373,790/560,918.28 = 152,174/x
  3. Step 3: Cross multiply
    373,790x = 560,918.28 × 152,174
  4. Step 4: Simplify right side
    373,790x = 85,357,178,340.72
  5. Step 5: Solve for x
    x = 85,357,178,340.72/373,790
  6. Step 6: Final answer
    x = 228,355.97

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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.