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Finding the Fourth Proportional to 369,954.76, 510,538.92 and 200,188.89

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Solution

The fourth proportional to 369,954.76, 510,538.92 and 200,188.89 is: 276,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,954.76 : 510,538.92 = 200,188.89 : x
  2. Step 2: Convert to fraction form
    369,954.76/510,538.92 = 200,188.89/x
  3. Step 3: Cross multiply
    369,954.76x = 510,538.92 × 200,188.89
  4. Step 4: Simplify right side
    369,954.76x = 102,204,219,696.60
  5. Step 5: Solve for x
    x = 102,204,219,696.60/369,954.76
  6. Step 6: Final answer
    x = 276,261.40

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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.