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Finding the Fourth Proportional to 577,004.08, 865,604.96 and 177,637

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Solution

The fourth proportional to 577,004.08, 865,604.96 and 177,637 is: 266,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,004.08 : 865,604.96 = 177,637 : x
  2. Step 2: Convert to fraction form
    577,004.08/865,604.96 = 177,637/x
  3. Step 3: Cross multiply
    577,004.08x = 865,604.96 × 177,637
  4. Step 4: Simplify right side
    577,004.08x = 153,763,468,279.52
  5. Step 5: Solve for x
    x = 153,763,468,279.52/577,004.08
  6. Step 6: Final answer
    x = 266,485.93

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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.