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Finding the Fourth Proportional to 318,197.56, 439,112.82 and 174,967.24

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Solution

The fourth proportional to 318,197.56, 439,112.82 and 174,967.24 is: 241,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,197.56 : 439,112.82 = 174,967.24 : x
  2. Step 2: Convert to fraction form
    318,197.56/439,112.82 = 174,967.24/x
  3. Step 3: Cross multiply
    318,197.56x = 439,112.82 × 174,967.24
  4. Step 4: Simplify right side
    318,197.56x = 76,830,358,164.02
  5. Step 5: Solve for x
    x = 76,830,358,164.02/318,197.56
  6. Step 6: Final answer
    x = 241,454.89

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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.