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Finding the Fourth Proportional to 335,308.48, 502,949.64 and 113,692.48

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Solution

The fourth proportional to 335,308.48, 502,949.64 and 113,692.48 is: 170,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,308.48 : 502,949.64 = 113,692.48 : x
  2. Step 2: Convert to fraction form
    335,308.48/502,949.64 = 113,692.48/x
  3. Step 3: Cross multiply
    335,308.48x = 502,949.64 × 113,692.48
  4. Step 4: Simplify right side
    335,308.48x = 57,181,591,886.71
  5. Step 5: Solve for x
    x = 57,181,591,886.71/335,308.48
  6. Step 6: Final answer
    x = 170,534.28

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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.