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Finding the Fourth Proportional to 489,103.60, 733,655.40 and 441,864.40

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Solution

The fourth proportional to 489,103.60, 733,655.40 and 441,864.40 is: 662,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,103.60 : 733,655.40 = 441,864.40 : x
  2. Step 2: Convert to fraction form
    489,103.60/733,655.40 = 441,864.40/x
  3. Step 3: Cross multiply
    489,103.60x = 733,655.40 × 441,864.40
  4. Step 4: Simplify right side
    489,103.60x = 324,176,203,127.76
  5. Step 5: Solve for x
    x = 324,176,203,127.76/489,103.60
  6. Step 6: Final answer
    x = 662,796.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.