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Finding the Fourth Proportional to 416,203.96, 574,362.96 and 225,217.36

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Solution

The fourth proportional to 416,203.96, 574,362.96 and 225,217.36 is: 310,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,203.96 : 574,362.96 = 225,217.36 : x
  2. Step 2: Convert to fraction form
    416,203.96/574,362.96 = 225,217.36/x
  3. Step 3: Cross multiply
    416,203.96x = 574,362.96 × 225,217.36
  4. Step 4: Simplify right side
    416,203.96x = 129,356,509,532.99
  5. Step 5: Solve for x
    x = 129,356,509,532.99/416,203.96
  6. Step 6: Final answer
    x = 310,800.77

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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.