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Finding the Fourth Proportional to 369,737.67, 510,237.90 and 199,971.75

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Solution

The fourth proportional to 369,737.67, 510,237.90 and 199,971.75 is: 275,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,737.67 : 510,237.90 = 199,971.75 : x
  2. Step 2: Convert to fraction form
    369,737.67/510,237.90 = 199,971.75/x
  3. Step 3: Cross multiply
    369,737.67x = 510,237.90 × 199,971.75
  4. Step 4: Simplify right side
    369,737.67x = 102,033,165,779.33
  5. Step 5: Solve for x
    x = 102,033,165,779.33/369,737.67
  6. Step 6: Final answer
    x = 275,960.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.