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Finding the Fourth Proportional to 370,803, 556,245.54 and 117,994.92

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Solution

The fourth proportional to 370,803, 556,245.54 and 117,994.92 is: 177,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,803 : 556,245.54 = 117,994.92 : x
  2. Step 2: Convert to fraction form
    370,803/556,245.54 = 117,994.92/x
  3. Step 3: Cross multiply
    370,803x = 556,245.54 × 117,994.92
  4. Step 4: Simplify right side
    370,803x = 65,634,147,992.66
  5. Step 5: Solve for x
    x = 65,634,147,992.66/370,803
  6. Step 6: Final answer
    x = 177,005.44

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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.