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Finding the Fourth Proportional to 453,760.14, 626,458.55 and 403,314.96

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Solution

The fourth proportional to 453,760.14, 626,458.55 and 403,314.96 is: 556,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,760.14 : 626,458.55 = 403,314.96 : x
  2. Step 2: Convert to fraction form
    453,760.14/626,458.55 = 403,314.96/x
  3. Step 3: Cross multiply
    453,760.14x = 626,458.55 × 403,314.96
  4. Step 4: Simplify right side
    453,760.14x = 252,660,103,018.33
  5. Step 5: Solve for x
    x = 252,660,103,018.33/453,760.14
  6. Step 6: Final answer
    x = 556,814.23

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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.