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Finding the Fourth Proportional to 370,964.88, 556,073.43 and 146,238.34

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Solution

The fourth proportional to 370,964.88, 556,073.43 and 146,238.34 is: 219,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,964.88 : 556,073.43 = 146,238.34 : x
  2. Step 2: Convert to fraction form
    370,964.88/556,073.43 = 146,238.34/x
  3. Step 3: Cross multiply
    370,964.88x = 556,073.43 × 146,238.34
  4. Step 4: Simplify right side
    370,964.88x = 81,319,255,321.31
  5. Step 5: Solve for x
    x = 81,319,255,321.31/370,964.88
  6. Step 6: Final answer
    x = 219,210.12

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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.