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Finding the Fourth Proportional to 603,652.80, 905,600.70 and 177,187.80

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Solution

The fourth proportional to 603,652.80, 905,600.70 and 177,187.80 is: 265,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,652.80 : 905,600.70 = 177,187.80 : x
  2. Step 2: Convert to fraction form
    603,652.80/905,600.70 = 177,187.80/x
  3. Step 3: Cross multiply
    603,652.80x = 905,600.70 × 177,187.80
  4. Step 4: Simplify right side
    603,652.80x = 160,461,395,711.46
  5. Step 5: Solve for x
    x = 160,461,395,711.46/603,652.80
  6. Step 6: Final answer
    x = 265,817.36

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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.