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Finding the Fourth Proportional to 366,188.16, 505,354.10 and 205,041.77

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Solution

The fourth proportional to 366,188.16, 505,354.10 and 205,041.77 is: 282,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,188.16 : 505,354.10 = 205,041.77 : x
  2. Step 2: Convert to fraction form
    366,188.16/505,354.10 = 205,041.77/x
  3. Step 3: Cross multiply
    366,188.16x = 505,354.10 × 205,041.77
  4. Step 4: Simplify right side
    366,188.16x = 103,618,695,588.78
  5. Step 5: Solve for x
    x = 103,618,695,588.78/366,188.16
  6. Step 6: Final answer
    x = 282,965.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.