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Finding the Fourth Proportional to 504,841.37, 757,256.20 and 145,021.03

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Solution

The fourth proportional to 504,841.37, 757,256.20 and 145,021.03 is: 217,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,841.37 : 757,256.20 = 145,021.03 : x
  2. Step 2: Convert to fraction form
    504,841.37/757,256.20 = 145,021.03/x
  3. Step 3: Cross multiply
    504,841.37x = 757,256.20 × 145,021.03
  4. Step 4: Simplify right side
    504,841.37x = 109,818,071,842.19
  5. Step 5: Solve for x
    x = 109,818,071,842.19/504,841.37
  6. Step 6: Final answer
    x = 217,529.86

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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.