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Finding the Fourth Proportional to 400,699.17, 600,954.39 and 116,314.65

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Solution

The fourth proportional to 400,699.17, 600,954.39 and 116,314.65 is: 174,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,699.17 : 600,954.39 = 116,314.65 : x
  2. Step 2: Convert to fraction form
    400,699.17/600,954.39 = 116,314.65/x
  3. Step 3: Cross multiply
    400,699.17x = 600,954.39 × 116,314.65
  4. Step 4: Simplify right side
    400,699.17x = 69,899,799,538.81
  5. Step 5: Solve for x
    x = 69,899,799,538.81/400,699.17
  6. Step 6: Final answer
    x = 174,444.58

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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.