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Finding the Fourth Proportional to 363,705.58, 545,208.45 and 186,296.14

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Solution

The fourth proportional to 363,705.58, 545,208.45 and 186,296.14 is: 279,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,705.58 : 545,208.45 = 186,296.14 : x
  2. Step 2: Convert to fraction form
    363,705.58/545,208.45 = 186,296.14/x
  3. Step 3: Cross multiply
    363,705.58x = 545,208.45 × 186,296.14
  4. Step 4: Simplify right side
    363,705.58x = 101,570,229,730.38
  5. Step 5: Solve for x
    x = 101,570,229,730.38/363,705.58
  6. Step 6: Final answer
    x = 279,264.98

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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.