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Finding the Fourth Proportional to 469,303.06, 647,650.97 and 265,384.49

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Solution

The fourth proportional to 469,303.06, 647,650.97 and 265,384.49 is: 366,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,303.06 : 647,650.97 = 265,384.49 : x
  2. Step 2: Convert to fraction form
    469,303.06/647,650.97 = 265,384.49/x
  3. Step 3: Cross multiply
    469,303.06x = 647,650.97 × 265,384.49
  4. Step 4: Simplify right side
    469,303.06x = 171,876,523,937.29
  5. Step 5: Solve for x
    x = 171,876,523,937.29/469,303.06
  6. Step 6: Final answer
    x = 366,237.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.