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Finding the Fourth Proportional to 479,233.80, 718,850.70 and 146,809.80

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Solution

The fourth proportional to 479,233.80, 718,850.70 and 146,809.80 is: 220,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,233.80 : 718,850.70 = 146,809.80 : x
  2. Step 2: Convert to fraction form
    479,233.80/718,850.70 = 146,809.80/x
  3. Step 3: Cross multiply
    479,233.80x = 718,850.70 × 146,809.80
  4. Step 4: Simplify right side
    479,233.80x = 105,534,327,496.86
  5. Step 5: Solve for x
    x = 105,534,327,496.86/479,233.80
  6. Step 6: Final answer
    x = 220,214.70

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1.5x scale

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.