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Finding the Fourth Proportional to 318,049.49, 438,902.65 and 174,809.49

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Solution

The fourth proportional to 318,049.49, 438,902.65 and 174,809.49 is: 241,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,049.49 : 438,902.65 = 174,809.49 : x
  2. Step 2: Convert to fraction form
    318,049.49/438,902.65 = 174,809.49/x
  3. Step 3: Cross multiply
    318,049.49x = 438,902.65 × 174,809.49
  4. Step 4: Simplify right side
    318,049.49x = 76,724,349,447.60
  5. Step 5: Solve for x
    x = 76,724,349,447.60/318,049.49
  6. Step 6: Final answer
    x = 241,234.00

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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.