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Finding the Fourth Proportional to 340,628.88, 510,490.62 and 180,671.88

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Solution

The fourth proportional to 340,628.88, 510,490.62 and 180,671.88 is: 270,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,628.88 : 510,490.62 = 180,671.88 : x
  2. Step 2: Convert to fraction form
    340,628.88/510,490.62 = 180,671.88/x
  3. Step 3: Cross multiply
    340,628.88x = 510,490.62 × 180,671.88
  4. Step 4: Simplify right side
    340,628.88x = 92,231,300,037.77
  5. Step 5: Solve for x
    x = 92,231,300,037.77/340,628.88
  6. Step 6: Final answer
    x = 270,767.70

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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.