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Finding the Fourth Proportional to 694,749.76, 958,754.68 and 376,797.76

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Solution

The fourth proportional to 694,749.76, 958,754.68 and 376,797.76 is: 519,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,749.76 : 958,754.68 = 376,797.76 : x
  2. Step 2: Convert to fraction form
    694,749.76/958,754.68 = 376,797.76/x
  3. Step 3: Cross multiply
    694,749.76x = 958,754.68 × 376,797.76
  4. Step 4: Simplify right side
    694,749.76x = 361,256,615,813.52
  5. Step 5: Solve for x
    x = 361,256,615,813.52/694,749.76
  6. Step 6: Final answer
    x = 519,980.91

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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.