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Finding the Fourth Proportional to 362,649.28, 543,973.82 and 113,331.28

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Solution

The fourth proportional to 362,649.28, 543,973.82 and 113,331.28 is: 169,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,649.28 : 543,973.82 = 113,331.28 : x
  2. Step 2: Convert to fraction form
    362,649.28/543,973.82 = 113,331.28/x
  3. Step 3: Cross multiply
    362,649.28x = 543,973.82 × 113,331.28
  4. Step 4: Simplify right side
    362,649.28x = 61,649,249,307.09
  5. Step 5: Solve for x
    x = 61,649,249,307.09/362,649.28
  6. Step 6: Final answer
    x = 169,996.89

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.