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Finding the Fourth Proportional to 658,628.12, 908,573.82 and 440,846.04

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Solution

The fourth proportional to 658,628.12, 908,573.82 and 440,846.04 is: 608,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,628.12 : 908,573.82 = 440,846.04 : x
  2. Step 2: Convert to fraction form
    658,628.12/908,573.82 = 440,846.04/x
  3. Step 3: Cross multiply
    658,628.12x = 908,573.82 × 440,846.04
  4. Step 4: Simplify right side
    658,628.12x = 400,541,170,594.67
  5. Step 5: Solve for x
    x = 400,541,170,594.67/658,628.12
  6. Step 6: Final answer
    x = 608,144.66

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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.