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Finding the Fourth Proportional to 539,341.12, 744,362.22 and 324,600.40

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Solution

The fourth proportional to 539,341.12, 744,362.22 and 324,600.40 is: 447,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,341.12 : 744,362.22 = 324,600.40 : x
  2. Step 2: Convert to fraction form
    539,341.12/744,362.22 = 324,600.40/x
  3. Step 3: Cross multiply
    539,341.12x = 744,362.22 × 324,600.40
  4. Step 4: Simplify right side
    539,341.12x = 241,620,274,356.89
  5. Step 5: Solve for x
    x = 241,620,274,356.89/539,341.12
  6. Step 6: Final answer
    x = 447,991.57

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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.