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Finding the Fourth Proportional to 577,751.48, 866,450.64 and 203,687

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Solution

The fourth proportional to 577,751.48, 866,450.64 and 203,687 is: 305,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,751.48 : 866,450.64 = 203,687 : x
  2. Step 2: Convert to fraction form
    577,751.48/866,450.64 = 203,687/x
  3. Step 3: Cross multiply
    577,751.48x = 866,450.64 × 203,687
  4. Step 4: Simplify right side
    577,751.48x = 176,484,731,509.68
  5. Step 5: Solve for x
    x = 176,484,731,509.68/577,751.48
  6. Step 6: Final answer
    x = 305,468.25

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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.