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Finding the Fourth Proportional to 275,241.98, 379,814.41 and 152,740.93

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Solution

The fourth proportional to 275,241.98, 379,814.41 and 152,740.93 is: 210,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,241.98 : 379,814.41 = 152,740.93 : x
  2. Step 2: Convert to fraction form
    275,241.98/379,814.41 = 152,740.93/x
  3. Step 3: Cross multiply
    275,241.98x = 379,814.41 × 152,740.93
  4. Step 4: Simplify right side
    275,241.98x = 58,013,207,926.34
  5. Step 5: Solve for x
    x = 58,013,207,926.34/275,241.98
  6. Step 6: Final answer
    x = 210,771.66

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1.5x scale

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.