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Finding the Fourth Proportional to 354,298.66, 531,755.13 and 185,937.94

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Solution

The fourth proportional to 354,298.66, 531,755.13 and 185,937.94 is: 279,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,298.66 : 531,755.13 = 185,937.94 : x
  2. Step 2: Convert to fraction form
    354,298.66/531,755.13 = 185,937.94/x
  3. Step 3: Cross multiply
    354,298.66x = 531,755.13 × 185,937.94
  4. Step 4: Simplify right side
    354,298.66x = 98,873,453,456.63
  5. Step 5: Solve for x
    x = 98,873,453,456.63/354,298.66
  6. Step 6: Final answer
    x = 279,068.10

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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.