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Finding the Fourth Proportional to 316,692.09, 437,035.51 and 171,498.12

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Solution

The fourth proportional to 316,692.09, 437,035.51 and 171,498.12 is: 236,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,692.09 : 437,035.51 = 171,498.12 : x
  2. Step 2: Convert to fraction form
    316,692.09/437,035.51 = 171,498.12/x
  3. Step 3: Cross multiply
    316,692.09x = 437,035.51 × 171,498.12
  4. Step 4: Simplify right side
    316,692.09x = 74,950,768,817.10
  5. Step 5: Solve for x
    x = 74,950,768,817.10/316,692.09
  6. Step 6: Final answer
    x = 236,667.64

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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.