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Finding the Fourth Proportional to 598,879.42, 826,375.16 and 357,190.36

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Solution

The fourth proportional to 598,879.42, 826,375.16 and 357,190.36 is: 492,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,879.42 : 826,375.16 = 357,190.36 : x
  2. Step 2: Convert to fraction form
    598,879.42/826,375.16 = 357,190.36/x
  3. Step 3: Cross multiply
    598,879.42x = 826,375.16 × 357,190.36
  4. Step 4: Simplify right side
    598,879.42x = 295,173,240,895.46
  5. Step 5: Solve for x
    x = 295,173,240,895.46/598,879.42
  6. Step 6: Final answer
    x = 492,875.91

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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.