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Finding the Fourth Proportional to 600,439.06, 828,470.26 and 358,674.31

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Solution

The fourth proportional to 600,439.06, 828,470.26 and 358,674.31 is: 494,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,439.06 : 828,470.26 = 358,674.31 : x
  2. Step 2: Convert to fraction form
    600,439.06/828,470.26 = 358,674.31/x
  3. Step 3: Cross multiply
    600,439.06x = 828,470.26 × 358,674.31
  4. Step 4: Simplify right side
    600,439.06x = 297,150,998,861.02
  5. Step 5: Solve for x
    x = 297,150,998,861.02/600,439.06
  6. Step 6: Final answer
    x = 494,889.52

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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.