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Finding the Fourth Proportional to 616,066.80, 922,717.80 and 505,474.80

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Solution

The fourth proportional to 616,066.80, 922,717.80 and 505,474.80 is: 757,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,066.80 : 922,717.80 = 505,474.80 : x
  2. Step 2: Convert to fraction form
    616,066.80/922,717.80 = 505,474.80/x
  3. Step 3: Cross multiply
    616,066.80x = 922,717.80 × 505,474.80
  4. Step 4: Simplify right side
    616,066.80x = 466,410,595,411.44
  5. Step 5: Solve for x
    x = 466,410,595,411.44/616,066.80
  6. Step 6: Final answer
    x = 757,077.96

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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.