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Finding the Fourth Proportional to 576,604.47, 864,989.25 and 177,278.77

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Solution

The fourth proportional to 576,604.47, 864,989.25 and 177,278.77 is: 265,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,604.47 : 864,989.25 = 177,278.77 : x
  2. Step 2: Convert to fraction form
    576,604.47/864,989.25 = 177,278.77/x
  3. Step 3: Cross multiply
    576,604.47x = 864,989.25 × 177,278.77
  4. Step 4: Simplify right side
    576,604.47x = 153,344,230,303.22
  5. Step 5: Solve for x
    x = 153,344,230,303.22/576,604.47
  6. Step 6: Final answer
    x = 265,943.53

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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.