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Finding the Fourth Proportional to 599,680.64, 827,437.20 and 357,885.92

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Solution

The fourth proportional to 599,680.64, 827,437.20 and 357,885.92 is: 493,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,680.64 : 827,437.20 = 357,885.92 : x
  2. Step 2: Convert to fraction form
    599,680.64/827,437.20 = 357,885.92/x
  3. Step 3: Cross multiply
    599,680.64x = 827,437.20 × 357,885.92
  4. Step 4: Simplify right side
    599,680.64x = 296,128,123,564.22
  5. Step 5: Solve for x
    x = 296,128,123,564.22/599,680.64
  6. Step 6: Final answer
    x = 493,809.71

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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.