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Finding the Fourth Proportional to 510,988.33, 766,199.89 and 237,135.79

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Solution

The fourth proportional to 510,988.33, 766,199.89 and 237,135.79 is: 355,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,988.33 : 766,199.89 = 237,135.79 : x
  2. Step 2: Convert to fraction form
    510,988.33/766,199.89 = 237,135.79/x
  3. Step 3: Cross multiply
    510,988.33x = 766,199.89 × 237,135.79
  4. Step 4: Simplify right side
    510,988.33x = 181,693,416,213.06
  5. Step 5: Solve for x
    x = 181,693,416,213.06/510,988.33
  6. Step 6: Final answer
    x = 355,572.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.