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Finding the Fourth Proportional to 321,567.36, 480,009.02 and 297,850.56

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Solution

The fourth proportional to 321,567.36, 480,009.02 and 297,850.56 is: 444,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,567.36 : 480,009.02 = 297,850.56 : x
  2. Step 2: Convert to fraction form
    321,567.36/480,009.02 = 297,850.56/x
  3. Step 3: Cross multiply
    321,567.36x = 480,009.02 × 297,850.56
  4. Step 4: Simplify right side
    321,567.36x = 142,970,955,412.05
  5. Step 5: Solve for x
    x = 142,970,955,412.05/321,567.36
  6. Step 6: Final answer
    x = 444,606.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.