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Finding the Fourth Proportional to 561,226.67, 774,509.81 and 306,594.26

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Solution

The fourth proportional to 561,226.67, 774,509.81 and 306,594.26 is: 423,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,226.67 : 774,509.81 = 306,594.26 : x
  2. Step 2: Convert to fraction form
    561,226.67/774,509.81 = 306,594.26/x
  3. Step 3: Cross multiply
    561,226.67x = 774,509.81 × 306,594.26
  4. Step 4: Simplify right side
    561,226.67x = 237,460,262,059.69
  5. Step 5: Solve for x
    x = 237,460,262,059.69/561,226.67
  6. Step 6: Final answer
    x = 423,109.37

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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.