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Finding the Fourth Proportional to 370,857.29, 556,514.35 and 146,179.49

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Solution

The fourth proportional to 370,857.29, 556,514.35 and 146,179.49 is: 219,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,857.29 : 556,514.35 = 146,179.49 : x
  2. Step 2: Convert to fraction form
    370,857.29/556,514.35 = 146,179.49/x
  3. Step 3: Cross multiply
    370,857.29x = 556,514.35 × 146,179.49
  4. Step 4: Simplify right side
    370,857.29x = 81,350,980,712.66
  5. Step 5: Solve for x
    x = 81,350,980,712.66/370,857.29
  6. Step 6: Final answer
    x = 219,359.26

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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.