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Finding the Fourth Proportional to 448,692.54, 619,185.87 and 247,488.54

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Solution

The fourth proportional to 448,692.54, 619,185.87 and 247,488.54 is: 341,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,692.54 : 619,185.87 = 247,488.54 : x
  2. Step 2: Convert to fraction form
    448,692.54/619,185.87 = 247,488.54/x
  3. Step 3: Cross multiply
    448,692.54x = 619,185.87 × 247,488.54
  4. Step 4: Simplify right side
    448,692.54x = 153,241,406,954.93
  5. Step 5: Solve for x
    x = 153,241,406,954.93/448,692.54
  6. Step 6: Final answer
    x = 341,528.76

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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.