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Finding the Fourth Proportional to 533,368.11, 735,906.13 and 303,920.47

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Solution

The fourth proportional to 533,368.11, 735,906.13 and 303,920.47 is: 419,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,368.11 : 735,906.13 = 303,920.47 : x
  2. Step 2: Convert to fraction form
    533,368.11/735,906.13 = 303,920.47/x
  3. Step 3: Cross multiply
    533,368.11x = 735,906.13 × 303,920.47
  4. Step 4: Simplify right side
    533,368.11x = 223,656,937,065.56
  5. Step 5: Solve for x
    x = 223,656,937,065.56/533,368.11
  6. Step 6: Final answer
    x = 419,329.42

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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.