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Finding the Fourth Proportional to 322,673.80, 484,010.70 and 310,426.60

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Solution

The fourth proportional to 322,673.80, 484,010.70 and 310,426.60 is: 465,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,673.80 : 484,010.70 = 310,426.60 : x
  2. Step 2: Convert to fraction form
    322,673.80/484,010.70 = 310,426.60/x
  3. Step 3: Cross multiply
    322,673.80x = 484,010.70 × 310,426.60
  4. Step 4: Simplify right side
    322,673.80x = 150,249,795,964.62
  5. Step 5: Solve for x
    x = 150,249,795,964.62/322,673.80
  6. Step 6: Final answer
    x = 465,639.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.