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Finding the Fourth Proportional to 600,468.21, 828,490.55 and 358,644.33

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Solution

The fourth proportional to 600,468.21, 828,490.55 and 358,644.33 is: 494,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,468.21 : 828,490.55 = 358,644.33 : x
  2. Step 2: Convert to fraction form
    600,468.21/828,490.55 = 358,644.33/x
  3. Step 3: Cross multiply
    600,468.21x = 828,490.55 × 358,644.33
  4. Step 4: Simplify right side
    600,468.21x = 297,133,436,422.86
  5. Step 5: Solve for x
    x = 297,133,436,422.86/600,468.21
  6. Step 6: Final answer
    x = 494,836.25

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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.