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Finding the Fourth Proportional to 599,859.20, 827,827.20 and 358,246.40

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Solution

The fourth proportional to 599,859.20, 827,827.20 and 358,246.40 is: 494,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,859.20 : 827,827.20 = 358,246.40 : x
  2. Step 2: Convert to fraction form
    599,859.20/827,827.20 = 358,246.40/x
  3. Step 3: Cross multiply
    599,859.20x = 827,827.20 × 358,246.40
  4. Step 4: Simplify right side
    599,859.20x = 296,566,114,222.08
  5. Step 5: Solve for x
    x = 296,566,114,222.08/599,859.20
  6. Step 6: Final answer
    x = 494,392.87

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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.