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Finding the Fourth Proportional to 475,101.90, 713,056.05 and 194,820.30

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Solution

The fourth proportional to 475,101.90, 713,056.05 and 194,820.30 is: 292,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,101.90 : 713,056.05 = 194,820.30 : x
  2. Step 2: Convert to fraction form
    475,101.90/713,056.05 = 194,820.30/x
  3. Step 3: Cross multiply
    475,101.90x = 713,056.05 × 194,820.30
  4. Step 4: Simplify right side
    475,101.90x = 138,917,793,577.82
  5. Step 5: Solve for x
    x = 138,917,793,577.82/475,101.90
  6. Step 6: Final answer
    x = 292,395.79

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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.