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Finding the Fourth Proportional to 369,900.67, 510,462.93 and 200,134.80

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Solution

The fourth proportional to 369,900.67, 510,462.93 and 200,134.80 is: 276,186.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,900.67 : 510,462.93 = 200,134.80 : x
  2. Step 2: Convert to fraction form
    369,900.67/510,462.93 = 200,134.80/x
  3. Step 3: Cross multiply
    369,900.67x = 510,462.93 × 200,134.80
  4. Step 4: Simplify right side
    369,900.67x = 102,161,394,626.47
  5. Step 5: Solve for x
    x = 102,161,394,626.47/369,900.67
  6. Step 6: Final answer
    x = 276,186.02

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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.