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Finding the Fourth Proportional to 539,477.14, 744,776.76 and 324,670

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Solution

The fourth proportional to 539,477.14, 744,776.76 and 324,670 is: 448,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,477.14 : 744,776.76 = 324,670 : x
  2. Step 2: Convert to fraction form
    539,477.14/744,776.76 = 324,670/x
  3. Step 3: Cross multiply
    539,477.14x = 744,776.76 × 324,670
  4. Step 4: Simplify right side
    539,477.14x = 241,806,670,669.20
  5. Step 5: Solve for x
    x = 241,806,670,669.20/539,477.14
  6. Step 6: Final answer
    x = 448,224.13

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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.