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Finding the Fourth Proportional to 539,313.39, 744,343.02 and 324,473.45

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Solution

The fourth proportional to 539,313.39, 744,343.02 and 324,473.45 is: 447,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,313.39 : 744,343.02 = 324,473.45 : x
  2. Step 2: Convert to fraction form
    539,313.39/744,343.02 = 324,473.45/x
  3. Step 3: Cross multiply
    539,313.39x = 744,343.02 × 324,473.45
  4. Step 4: Simplify right side
    539,313.39x = 241,519,543,961.10
  5. Step 5: Solve for x
    x = 241,519,543,961.10/539,313.39
  6. Step 6: Final answer
    x = 447,827.83

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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.