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Finding the Fourth Proportional to 529,034.09, 729,644.96 and 347,931.96

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Solution

The fourth proportional to 529,034.09, 729,644.96 and 347,931.96 is: 479,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,034.09 : 729,644.96 = 347,931.96 : x
  2. Step 2: Convert to fraction form
    529,034.09/729,644.96 = 347,931.96/x
  3. Step 3: Cross multiply
    529,034.09x = 729,644.96 × 347,931.96
  4. Step 4: Simplify right side
    529,034.09x = 253,866,799,170.58
  5. Step 5: Solve for x
    x = 253,866,799,170.58/529,034.09
  6. Step 6: Final answer
    x = 479,868.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.