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Finding the Fourth Proportional to 317,887.44, 438,692.40 and 174,656.76

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Solution

The fourth proportional to 317,887.44, 438,692.40 and 174,656.76 is: 241,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,887.44 : 438,692.40 = 174,656.76 : x
  2. Step 2: Convert to fraction form
    317,887.44/438,692.40 = 174,656.76/x
  3. Step 3: Cross multiply
    317,887.44x = 438,692.40 × 174,656.76
  4. Step 4: Simplify right side
    317,887.44x = 76,620,593,220.62
  5. Step 5: Solve for x
    x = 76,620,593,220.62/317,887.44
  6. Step 6: Final answer
    x = 241,030.58

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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.