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Finding the Fourth Proportional to 503,474.95, 694,798.32 and 274,031.69

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Solution

The fourth proportional to 503,474.95, 694,798.32 and 274,031.69 is: 378,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,474.95 : 694,798.32 = 274,031.69 : x
  2. Step 2: Convert to fraction form
    503,474.95/694,798.32 = 274,031.69/x
  3. Step 3: Cross multiply
    503,474.95x = 694,798.32 × 274,031.69
  4. Step 4: Simplify right side
    503,474.95x = 190,396,756,901.48
  5. Step 5: Solve for x
    x = 190,396,756,901.48/503,474.95
  6. Step 6: Final answer
    x = 378,165.30

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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.