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Finding the Fourth Proportional to 301,342.82, 452,016.90 and 76,703.49

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Solution

The fourth proportional to 301,342.82, 452,016.90 and 76,703.49 is: 115,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,342.82 : 452,016.90 = 76,703.49 : x
  2. Step 2: Convert to fraction form
    301,342.82/452,016.90 = 76,703.49/x
  3. Step 3: Cross multiply
    301,342.82x = 452,016.90 × 76,703.49
  4. Step 4: Simplify right side
    301,342.82x = 34,671,273,768.98
  5. Step 5: Solve for x
    x = 34,671,273,768.98/301,342.82
  6. Step 6: Final answer
    x = 115,055.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.