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Finding the Fourth Proportional to 369,953.50, 510,537.19 and 200,187.63

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Solution

The fourth proportional to 369,953.50, 510,537.19 and 200,187.63 is: 276,259.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,953.50 : 510,537.19 = 200,187.63 : x
  2. Step 2: Convert to fraction form
    369,953.50/510,537.19 = 200,187.63/x
  3. Step 3: Cross multiply
    369,953.50x = 510,537.19 × 200,187.63
  4. Step 4: Simplify right side
    369,953.50x = 102,203,230,092.96
  5. Step 5: Solve for x
    x = 102,203,230,092.96/369,953.50
  6. Step 6: Final answer
    x = 276,259.67

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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.