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Finding the Fourth Proportional to 533,007.40, 735,550.30 and 303,586.05

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Solution

The fourth proportional to 533,007.40, 735,550.30 and 303,586.05 is: 418,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,007.40 : 735,550.30 = 303,586.05 : x
  2. Step 2: Convert to fraction form
    533,007.40/735,550.30 = 303,586.05/x
  3. Step 3: Cross multiply
    533,007.40x = 735,550.30 × 303,586.05
  4. Step 4: Simplify right side
    533,007.40x = 223,302,807,445.97
  5. Step 5: Solve for x
    x = 223,302,807,445.97/533,007.40
  6. Step 6: Final answer
    x = 418,948.79

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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.