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Finding the Fourth Proportional to 504,363.84, 695,993.76 and 313,375.56

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Solution

The fourth proportional to 504,363.84, 695,993.76 and 313,375.56 is: 432,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,363.84 : 695,993.76 = 313,375.56 : x
  2. Step 2: Convert to fraction form
    504,363.84/695,993.76 = 313,375.56/x
  3. Step 3: Cross multiply
    504,363.84x = 695,993.76 × 313,375.56
  4. Step 4: Simplify right side
    504,363.84x = 218,107,434,296.51
  5. Step 5: Solve for x
    x = 218,107,434,296.51/504,363.84
  6. Step 6: Final answer
    x = 432,440.66

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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.