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Finding the Fourth Proportional to 453,618.90, 625,953.42 and 262,645.20

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Solution

The fourth proportional to 453,618.90, 625,953.42 and 262,645.20 is: 362,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,618.90 : 625,953.42 = 262,645.20 : x
  2. Step 2: Convert to fraction form
    453,618.90/625,953.42 = 262,645.20/x
  3. Step 3: Cross multiply
    453,618.90x = 625,953.42 × 262,645.20
  4. Step 4: Simplify right side
    453,618.90x = 164,403,661,186.58
  5. Step 5: Solve for x
    x = 164,403,661,186.58/453,618.90
  6. Step 6: Final answer
    x = 362,426.83

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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.