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Finding the Fourth Proportional to 370,878.66, 556,546.41 and 146,200.86

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Solution

The fourth proportional to 370,878.66, 556,546.41 and 146,200.86 is: 219,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,878.66 : 556,546.41 = 146,200.86 : x
  2. Step 2: Convert to fraction form
    370,878.66/556,546.41 = 146,200.86/x
  3. Step 3: Cross multiply
    370,878.66x = 556,546.41 × 146,200.86
  4. Step 4: Simplify right side
    370,878.66x = 81,367,563,771.91
  5. Step 5: Solve for x
    x = 81,367,563,771.91/370,878.66
  6. Step 6: Final answer
    x = 219,391.33

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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.