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Finding the Fourth Proportional to 500,661.32, 751,063.53 and 154,474.13

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Solution

The fourth proportional to 500,661.32, 751,063.53 and 154,474.13 is: 231,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,661.32 : 751,063.53 = 154,474.13 : x
  2. Step 2: Convert to fraction form
    500,661.32/751,063.53 = 154,474.13/x
  3. Step 3: Cross multiply
    500,661.32x = 751,063.53 × 154,474.13
  4. Step 4: Simplify right side
    500,661.32x = 116,019,881,616.16
  5. Step 5: Solve for x
    x = 116,019,881,616.16/500,661.32
  6. Step 6: Final answer
    x = 231,733.27

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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.