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Finding the Fourth Proportional to 479,362.66, 661,494.72 and 264,460.66

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Solution

The fourth proportional to 479,362.66, 661,494.72 and 264,460.66 is: 364,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,362.66 : 661,494.72 = 264,460.66 : x
  2. Step 2: Convert to fraction form
    479,362.66/661,494.72 = 264,460.66/x
  3. Step 3: Cross multiply
    479,362.66x = 661,494.72 × 264,460.66
  4. Step 4: Simplify right side
    479,362.66x = 174,939,330,237.72
  5. Step 5: Solve for x
    x = 174,939,330,237.72/479,362.66
  6. Step 6: Final answer
    x = 364,941.50

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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.