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Finding the Fourth Proportional to 655,242.89, 904,514.19 and 440,507.51

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Solution

The fourth proportional to 655,242.89, 904,514.19 and 440,507.51 is: 608,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,242.89 : 904,514.19 = 440,507.51 : x
  2. Step 2: Convert to fraction form
    655,242.89/904,514.19 = 440,507.51/x
  3. Step 3: Cross multiply
    655,242.89x = 904,514.19 × 440,507.51
  4. Step 4: Simplify right side
    655,242.89x = 398,445,289,074.00
  5. Step 5: Solve for x
    x = 398,445,289,074.00/655,242.89
  6. Step 6: Final answer
    x = 608,087.92

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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.