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Finding the Fourth Proportional to 292,692.89, 438,724.37 and 191,452.82

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Solution

The fourth proportional to 292,692.89, 438,724.37 and 191,452.82 is: 286,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,692.89 : 438,724.37 = 191,452.82 : x
  2. Step 2: Convert to fraction form
    292,692.89/438,724.37 = 191,452.82/x
  3. Step 3: Cross multiply
    292,692.89x = 438,724.37 × 191,452.82
  4. Step 4: Simplify right side
    292,692.89x = 83,995,016,124.23
  5. Step 5: Solve for x
    x = 83,995,016,124.23/292,692.89
  6. Step 6: Final answer
    x = 286,973.20

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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.