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Finding the Fourth Proportional to 303,462.19, 455,215.16 and 116,473.69

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Solution

The fourth proportional to 303,462.19, 455,215.16 and 116,473.69 is: 174,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,462.19 : 455,215.16 = 116,473.69 : x
  2. Step 2: Convert to fraction form
    303,462.19/455,215.16 = 116,473.69/x
  3. Step 3: Cross multiply
    303,462.19x = 455,215.16 × 116,473.69
  4. Step 4: Simplify right side
    303,462.19x = 53,020,587,708.73
  5. Step 5: Solve for x
    x = 53,020,587,708.73/303,462.19
  6. Step 6: Final answer
    x = 174,718.93

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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.