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Finding the Fourth Proportional to 345,998.51, 477,467.11 and 202,853.89

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Solution

The fourth proportional to 345,998.51, 477,467.11 and 202,853.89 is: 279,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,998.51 : 477,467.11 = 202,853.89 : x
  2. Step 2: Convert to fraction form
    345,998.51/477,467.11 = 202,853.89/x
  3. Step 3: Cross multiply
    345,998.51x = 477,467.11 × 202,853.89
  4. Step 4: Simplify right side
    345,998.51x = 96,856,059,670.46
  5. Step 5: Solve for x
    x = 96,856,059,670.46/345,998.51
  6. Step 6: Final answer
    x = 279,932.02

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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.