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Finding the Fourth Proportional to 599,870.90, 827,831.70 and 358,174.60

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Solution

The fourth proportional to 599,870.90, 827,831.70 and 358,174.60 is: 494,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,870.90 : 827,831.70 = 358,174.60 : x
  2. Step 2: Convert to fraction form
    599,870.90/827,831.70 = 358,174.60/x
  3. Step 3: Cross multiply
    599,870.90x = 827,831.70 × 358,174.60
  4. Step 4: Simplify right side
    599,870.90x = 296,508,285,945.24
  5. Step 5: Solve for x
    x = 296,508,285,945.24/599,870.90
  6. Step 6: Final answer
    x = 494,286.83

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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.