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Finding the Fourth Proportional to 225,190.94, 310,406.19 and 177,368.54

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Solution

The fourth proportional to 225,190.94, 310,406.19 and 177,368.54 is: 244,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,190.94 : 310,406.19 = 177,368.54 : x
  2. Step 2: Convert to fraction form
    225,190.94/310,406.19 = 177,368.54/x
  3. Step 3: Cross multiply
    225,190.94x = 310,406.19 × 177,368.54
  4. Step 4: Simplify right side
    225,190.94x = 55,056,292,727.26
  5. Step 5: Solve for x
    x = 55,056,292,727.26/225,190.94
  6. Step 6: Final answer
    x = 244,487.16

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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.