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Finding the Fourth Proportional to 479,572.29, 661,809.83 and 264,712.41

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Solution

The fourth proportional to 479,572.29, 661,809.83 and 264,712.41 is: 365,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,572.29 : 661,809.83 = 264,712.41 : x
  2. Step 2: Convert to fraction form
    479,572.29/661,809.83 = 264,712.41/x
  3. Step 3: Cross multiply
    479,572.29x = 661,809.83 × 264,712.41
  4. Step 4: Simplify right side
    479,572.29x = 175,189,273,737.43
  5. Step 5: Solve for x
    x = 175,189,273,737.43/479,572.29
  6. Step 6: Final answer
    x = 365,303.16

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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.