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Finding the Fourth Proportional to 329,765.82, 455,001.03 and 186,494.82

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Solution

The fourth proportional to 329,765.82, 455,001.03 and 186,494.82 is: 257,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,765.82 : 455,001.03 = 186,494.82 : x
  2. Step 2: Convert to fraction form
    329,765.82/455,001.03 = 186,494.82/x
  3. Step 3: Cross multiply
    329,765.82x = 455,001.03 × 186,494.82
  4. Step 4: Simplify right side
    329,765.82x = 84,855,335,189.66
  5. Step 5: Solve for x
    x = 84,855,335,189.66/329,765.82
  6. Step 6: Final answer
    x = 257,319.98

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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.