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Finding the Fourth Proportional to 318,067.77, 438,927.82 and 174,827.77

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Solution

The fourth proportional to 318,067.77, 438,927.82 and 174,827.77 is: 241,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,067.77 : 438,927.82 = 174,827.77 : x
  2. Step 2: Convert to fraction form
    318,067.77/438,927.82 = 174,827.77/x
  3. Step 3: Cross multiply
    318,067.77x = 438,927.82 × 174,827.77
  4. Step 4: Simplify right side
    318,067.77x = 76,736,771,961.56
  5. Step 5: Solve for x
    x = 76,736,771,961.56/318,067.77
  6. Step 6: Final answer
    x = 241,259.19

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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.