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Finding the Fourth Proportional to 364,490.28, 502,669.53 and 228,539.07

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Solution

The fourth proportional to 364,490.28, 502,669.53 and 228,539.07 is: 315,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,490.28 : 502,669.53 = 228,539.07 : x
  2. Step 2: Convert to fraction form
    364,490.28/502,669.53 = 228,539.07/x
  3. Step 3: Cross multiply
    364,490.28x = 502,669.53 × 228,539.07
  4. Step 4: Simplify right side
    364,490.28x = 114,879,626,903.54
  5. Step 5: Solve for x
    x = 114,879,626,903.54/364,490.28
  6. Step 6: Final answer
    x = 315,178.85

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