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Finding the Fourth Proportional to 434,456.82, 599,525.73 and 253,198.26

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Solution

The fourth proportional to 434,456.82, 599,525.73 and 253,198.26 is: 349,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,456.82 : 599,525.73 = 253,198.26 : x
  2. Step 2: Convert to fraction form
    434,456.82/599,525.73 = 253,198.26/x
  3. Step 3: Cross multiply
    434,456.82x = 599,525.73 × 253,198.26
  4. Step 4: Simplify right side
    434,456.82x = 151,798,871,661.23
  5. Step 5: Solve for x
    x = 151,798,871,661.23/434,456.82
  6. Step 6: Final answer
    x = 349,399.21

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Half scale
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Double scale
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Similar ratio
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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.