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Finding the Fourth Proportional to 445,299.84, 615,327.48 and 324,230.22

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Solution

The fourth proportional to 445,299.84, 615,327.48 and 324,230.22 is: 448,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,299.84 : 615,327.48 = 324,230.22 : x
  2. Step 2: Convert to fraction form
    445,299.84/615,327.48 = 324,230.22/x
  3. Step 3: Cross multiply
    445,299.84x = 615,327.48 × 324,230.22
  4. Step 4: Simplify right side
    445,299.84x = 199,507,764,212.45
  5. Step 5: Solve for x
    x = 199,507,764,212.45/445,299.84
  6. Step 6: Final answer
    x = 448,030.17

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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.