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Finding the Fourth Proportional to 316,692.30, 437,027 and 180,723.81

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Solution

The fourth proportional to 316,692.30, 437,027 and 180,723.81 is: 249,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,692.30 : 437,027 = 180,723.81 : x
  2. Step 2: Convert to fraction form
    316,692.30/437,027 = 180,723.81/x
  3. Step 3: Cross multiply
    316,692.30x = 437,027 × 180,723.81
  4. Step 4: Simplify right side
    316,692.30x = 78,981,182,327.74
  5. Step 5: Solve for x
    x = 78,981,182,327.74/316,692.30
  6. Step 6: Final answer
    x = 249,394.08

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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.