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Finding the Fourth Proportional to 479,370.96, 661,534.29 and 264,511.17

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Solution

The fourth proportional to 479,370.96, 661,534.29 and 264,511.17 is: 365,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,370.96 : 661,534.29 = 264,511.17 : x
  2. Step 2: Convert to fraction form
    479,370.96/661,534.29 = 264,511.17/x
  3. Step 3: Cross multiply
    479,370.96x = 661,534.29 × 264,511.17
  4. Step 4: Simplify right side
    479,370.96x = 174,983,209,043.02
  5. Step 5: Solve for x
    x = 174,983,209,043.02/479,370.96
  6. Step 6: Final answer
    x = 365,026.72

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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.