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Finding the Fourth Proportional to 561,217.23, 774,496.76 and 306,584.82

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Solution

The fourth proportional to 561,217.23, 774,496.76 and 306,584.82 is: 423,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,217.23 : 774,496.76 = 306,584.82 : x
  2. Step 2: Convert to fraction form
    561,217.23/774,496.76 = 306,584.82/x
  3. Step 3: Cross multiply
    561,217.23x = 774,496.76 × 306,584.82
  4. Step 4: Simplify right side
    561,217.23x = 237,448,948,222.26
  5. Step 5: Solve for x
    x = 237,448,948,222.26/561,217.23
  6. Step 6: Final answer
    x = 423,096.33

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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.