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Finding the Fourth Proportional to 363,370.40, 545,055.78 and 163,457.24

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Solution

The fourth proportional to 363,370.40, 545,055.78 and 163,457.24 is: 245,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,370.40 : 545,055.78 = 163,457.24 : x
  2. Step 2: Convert to fraction form
    363,370.40/545,055.78 = 163,457.24/x
  3. Step 3: Cross multiply
    363,370.40x = 545,055.78 × 163,457.24
  4. Step 4: Simplify right side
    363,370.40x = 89,093,313,444.85
  5. Step 5: Solve for x
    x = 89,093,313,444.85/363,370.40
  6. Step 6: Final answer
    x = 245,185.94

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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.