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Finding the Fourth Proportional to 453,731.60, 626,079.50 and 262,708.09

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Solution

The fourth proportional to 453,731.60, 626,079.50 and 262,708.09 is: 362,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,731.60 : 626,079.50 = 262,708.09 : x
  2. Step 2: Convert to fraction form
    453,731.60/626,079.50 = 262,708.09/x
  3. Step 3: Cross multiply
    453,731.60x = 626,079.50 × 262,708.09
  4. Step 4: Simplify right side
    453,731.60x = 164,476,149,633.16
  5. Step 5: Solve for x
    x = 164,476,149,633.16/453,731.60
  6. Step 6: Final answer
    x = 362,496.57

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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.