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Finding the Fourth Proportional to 363,457.17, 545,297.37 and 186,088.71

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Solution

The fourth proportional to 363,457.17, 545,297.37 and 186,088.71 is: 279,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,457.17 : 545,297.37 = 186,088.71 : x
  2. Step 2: Convert to fraction form
    363,457.17/545,297.37 = 186,088.71/x
  3. Step 3: Cross multiply
    363,457.17x = 545,297.37 × 186,088.71
  4. Step 4: Simplify right side
    363,457.17x = 101,473,684,149.69
  5. Step 5: Solve for x
    x = 101,473,684,149.69/363,457.17
  6. Step 6: Final answer
    x = 279,190.21

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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.