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Finding the Fourth Proportional to 539,185.21, 744,070.46 and 297,469.73

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Solution

The fourth proportional to 539,185.21, 744,070.46 and 297,469.73 is: 410,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,185.21 : 744,070.46 = 297,469.73 : x
  2. Step 2: Convert to fraction form
    539,185.21/744,070.46 = 297,469.73/x
  3. Step 3: Cross multiply
    539,185.21x = 744,070.46 × 297,469.73
  4. Step 4: Simplify right side
    539,185.21x = 221,338,439,210.00
  5. Step 5: Solve for x
    x = 221,338,439,210.00/539,185.21
  6. Step 6: Final answer
    x = 410,505.40

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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.