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Finding the Fourth Proportional to 303,598.32, 455,675.28 and 153,941.91

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Solution

The fourth proportional to 303,598.32, 455,675.28 and 153,941.91 is: 231,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,598.32 : 455,675.28 = 153,941.91 : x
  2. Step 2: Convert to fraction form
    303,598.32/455,675.28 = 153,941.91/x
  3. Step 3: Cross multiply
    303,598.32x = 455,675.28 × 153,941.91
  4. Step 4: Simplify right side
    303,598.32x = 70,147,522,942.98
  5. Step 5: Solve for x
    x = 70,147,522,942.98/303,598.32
  6. Step 6: Final answer
    x = 231,053.73

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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.