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Finding the Fourth Proportional to 354,786.30, 532,335.30 and 186,267.48

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Solution

The fourth proportional to 354,786.30, 532,335.30 and 186,267.48 is: 279,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,786.30 : 532,335.30 = 186,267.48 : x
  2. Step 2: Convert to fraction form
    354,786.30/532,335.30 = 186,267.48/x
  3. Step 3: Cross multiply
    354,786.30x = 532,335.30 × 186,267.48
  4. Step 4: Simplify right side
    354,786.30x = 99,156,754,846.04
  5. Step 5: Solve for x
    x = 99,156,754,846.04/354,786.30
  6. Step 6: Final answer
    x = 279,483.04

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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.