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Finding the Fourth Proportional to 366,038.19, 505,108.31 and 202,689.14

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Solution

The fourth proportional to 366,038.19, 505,108.31 and 202,689.14 is: 279,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,038.19 : 505,108.31 = 202,689.14 : x
  2. Step 2: Convert to fraction form
    366,038.19/505,108.31 = 202,689.14/x
  3. Step 3: Cross multiply
    366,038.19x = 505,108.31 × 202,689.14
  4. Step 4: Simplify right side
    366,038.19x = 102,379,965,421.77
  5. Step 5: Solve for x
    x = 102,379,965,421.77/366,038.19
  6. Step 6: Final answer
    x = 279,697.50

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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.