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Finding the Fourth Proportional to 533,418.00, 736,129.62 and 303,970.38

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Solution

The fourth proportional to 533,418.00, 736,129.62 and 303,970.38 is: 419,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,418.00 : 736,129.62 = 303,970.38 : x
  2. Step 2: Convert to fraction form
    533,418.00/736,129.62 = 303,970.38/x
  3. Step 3: Cross multiply
    533,418.00x = 736,129.62 × 303,970.38
  4. Step 4: Simplify right side
    533,418.00x = 223,761,595,120.16
  5. Step 5: Solve for x
    x = 223,761,595,120.16/533,418.00
  6. Step 6: Final answer
    x = 419,486.40

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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.