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Finding the Fourth Proportional to 576,605.48, 864,990.76 and 177,279.77

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Solution

The fourth proportional to 576,605.48, 864,990.76 and 177,279.77 is: 265,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,605.48 : 864,990.76 = 177,279.77 : x
  2. Step 2: Convert to fraction form
    576,605.48/864,990.76 = 177,279.77/x
  3. Step 3: Cross multiply
    576,605.48x = 864,990.76 × 177,279.77
  4. Step 4: Simplify right side
    576,605.48x = 153,345,364,704.20
  5. Step 5: Solve for x
    x = 153,345,364,704.20/576,605.48
  6. Step 6: Final answer
    x = 265,945.04

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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.