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Finding the Fourth Proportional to 671,876.40, 927,210.68 and 365,961.99

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Solution

The fourth proportional to 671,876.40, 927,210.68 and 365,961.99 is: 505,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,876.40 : 927,210.68 = 365,961.99 : x
  2. Step 2: Convert to fraction form
    671,876.40/927,210.68 = 365,961.99/x
  3. Step 3: Cross multiply
    671,876.40x = 927,210.68 × 365,961.99
  4. Step 4: Simplify right side
    671,876.40x = 339,323,865,602.05
  5. Step 5: Solve for x
    x = 339,323,865,602.05/671,876.40
  6. Step 6: Final answer
    x = 505,039.12

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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.