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Finding the Fourth Proportional to 369,809.74, 510,337.20 and 200,043.88

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Solution

The fourth proportional to 369,809.74, 510,337.20 and 200,043.88 is: 276,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,809.74 : 510,337.20 = 200,043.88 : x
  2. Step 2: Convert to fraction form
    369,809.74/510,337.20 = 200,043.88/x
  3. Step 3: Cross multiply
    369,809.74x = 510,337.20 × 200,043.88
  4. Step 4: Simplify right side
    369,809.74x = 102,089,833,596.34
  5. Step 5: Solve for x
    x = 102,089,833,596.34/369,809.74
  6. Step 6: Final answer
    x = 276,060.42

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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.