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Finding the Fourth Proportional to 451,019.92, 676,529.88 and 118,570

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Solution

The fourth proportional to 451,019.92, 676,529.88 and 118,570 is: 177,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,019.92 : 676,529.88 = 118,570 : x
  2. Step 2: Convert to fraction form
    451,019.92/676,529.88 = 118,570/x
  3. Step 3: Cross multiply
    451,019.92x = 676,529.88 × 118,570
  4. Step 4: Simplify right side
    451,019.92x = 80,216,147,871.60
  5. Step 5: Solve for x
    x = 80,216,147,871.60/451,019.92
  6. Step 6: Final answer
    x = 177,855.00

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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.