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Finding the Fourth Proportional to 479,501.46, 661,716.63 and 264,636.90

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Solution

The fourth proportional to 479,501.46, 661,716.63 and 264,636.90 is: 365,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,501.46 : 661,716.63 = 264,636.90 : x
  2. Step 2: Convert to fraction form
    479,501.46/661,716.63 = 264,636.90/x
  3. Step 3: Cross multiply
    479,501.46x = 661,716.63 × 264,636.90
  4. Step 4: Simplify right side
    479,501.46x = 175,114,637,641.65
  5. Step 5: Solve for x
    x = 175,114,637,641.65/479,501.46
  6. Step 6: Final answer
    x = 365,201.47

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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.