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Finding the Fourth Proportional to 539,501.75, 744,512.48 and 297,784.38

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Solution

The fourth proportional to 539,501.75, 744,512.48 and 297,784.38 is: 410,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,501.75 : 744,512.48 = 297,784.38 : x
  2. Step 2: Convert to fraction form
    539,501.75/744,512.48 = 297,784.38/x
  3. Step 3: Cross multiply
    539,501.75x = 744,512.48 × 297,784.38
  4. Step 4: Simplify right side
    539,501.75x = 221,704,185,770.14
  5. Step 5: Solve for x
    x = 221,704,185,770.14/539,501.75
  6. Step 6: Final answer
    x = 410,942.48

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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.