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Finding the Fourth Proportional to 316,500.33, 436,770.41 and 171,306.08

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Solution

The fourth proportional to 316,500.33, 436,770.41 and 171,306.08 is: 236,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,500.33 : 436,770.41 = 171,306.08 : x
  2. Step 2: Convert to fraction form
    316,500.33/436,770.41 = 171,306.08/x
  3. Step 3: Cross multiply
    316,500.33x = 436,770.41 × 171,306.08
  4. Step 4: Simplify right side
    316,500.33x = 74,821,424,848.64
  5. Step 5: Solve for x
    x = 74,821,424,848.64/316,500.33
  6. Step 6: Final answer
    x = 236,402.36

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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.