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Finding the Fourth Proportional to 504,474.50, 695,780.96 and 323,203.26

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Solution

The fourth proportional to 504,474.50, 695,780.96 and 323,203.26 is: 445,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,474.50 : 695,780.96 = 323,203.26 : x
  2. Step 2: Convert to fraction form
    504,474.50/695,780.96 = 323,203.26/x
  3. Step 3: Cross multiply
    504,474.50x = 695,780.96 × 323,203.26
  4. Step 4: Simplify right side
    504,474.50x = 224,878,674,517.93
  5. Step 5: Solve for x
    x = 224,878,674,517.93/504,474.50
  6. Step 6: Final answer
    x = 445,768.17

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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.