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Finding the Fourth Proportional to 533,419.25, 736,131.35 and 303,971.63

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Solution

The fourth proportional to 533,419.25, 736,131.35 and 303,971.63 is: 419,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,419.25 : 736,131.35 = 303,971.63 : x
  2. Step 2: Convert to fraction form
    533,419.25/736,131.35 = 303,971.63/x
  3. Step 3: Cross multiply
    533,419.25x = 736,131.35 × 303,971.63
  4. Step 4: Simplify right side
    533,419.25x = 223,763,043,432.87
  5. Step 5: Solve for x
    x = 223,763,043,432.87/533,419.25
  6. Step 6: Final answer
    x = 419,488.13

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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.