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Finding the Fourth Proportional to 539,448.53, 744,440.49 and 294,435.54

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Solution

The fourth proportional to 539,448.53, 744,440.49 and 294,435.54 is: 406,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,448.53 : 744,440.49 = 294,435.54 : x
  2. Step 2: Convert to fraction form
    539,448.53/744,440.49 = 294,435.54/x
  3. Step 3: Cross multiply
    539,448.53x = 744,440.49 × 294,435.54
  4. Step 4: Simplify right side
    539,448.53x = 219,189,737,671.02
  5. Step 5: Solve for x
    x = 219,189,737,671.02/539,448.53
  6. Step 6: Final answer
    x = 406,321.88

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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.