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Finding the Fourth Proportional to 539,478.14, 744,778.14 and 324,671

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Solution

The fourth proportional to 539,478.14, 744,778.14 and 324,671 is: 448,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,478.14 : 744,778.14 = 324,671 : x
  2. Step 2: Convert to fraction form
    539,478.14/744,778.14 = 324,671/x
  3. Step 3: Cross multiply
    539,478.14x = 744,778.14 × 324,671
  4. Step 4: Simplify right side
    539,478.14x = 241,807,863,491.94
  5. Step 5: Solve for x
    x = 241,807,863,491.94/539,478.14
  6. Step 6: Final answer
    x = 448,225.51

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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.