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Finding the Fourth Proportional to 503,573.82, 694,931.85 and 274,132.76

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Solution

The fourth proportional to 503,573.82, 694,931.85 and 274,132.76 is: 378,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,573.82 : 694,931.85 = 274,132.76 : x
  2. Step 2: Convert to fraction form
    503,573.82/694,931.85 = 274,132.76/x
  3. Step 3: Cross multiply
    503,573.82x = 694,931.85 × 274,132.76
  4. Step 4: Simplify right side
    503,573.82x = 190,503,586,052.41
  5. Step 5: Solve for x
    x = 190,503,586,052.41/503,573.82
  6. Step 6: Final answer
    x = 378,303.20

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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.