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Finding the Fourth Proportional to 473,992.89, 654,126.17 and 259,128.69

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Solution

The fourth proportional to 473,992.89, 654,126.17 and 259,128.69 is: 357,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,992.89 : 654,126.17 = 259,128.69 : x
  2. Step 2: Convert to fraction form
    473,992.89/654,126.17 = 259,128.69/x
  3. Step 3: Cross multiply
    473,992.89x = 654,126.17 × 259,128.69
  4. Step 4: Simplify right side
    473,992.89x = 169,502,854,904.01
  5. Step 5: Solve for x
    x = 169,502,854,904.01/473,992.89
  6. Step 6: Final answer
    x = 357,606.33

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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.