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Finding the Fourth Proportional to 434,243.79, 650,403.29 and 333,663.63

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Solution

The fourth proportional to 434,243.79, 650,403.29 and 333,663.63 is: 499,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,243.79 : 650,403.29 = 333,663.63 : x
  2. Step 2: Convert to fraction form
    434,243.79/650,403.29 = 333,663.63/x
  3. Step 3: Cross multiply
    434,243.79x = 650,403.29 × 333,663.63
  4. Step 4: Simplify right side
    434,243.79x = 217,015,921,037.03
  5. Step 5: Solve for x
    x = 217,015,921,037.03/434,243.79
  6. Step 6: Final answer
    x = 499,755.96

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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.