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Finding the Fourth Proportional to 310,350.79, 465,757.09 and 230,574.50

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Solution

The fourth proportional to 310,350.79, 465,757.09 and 230,574.50 is: 346,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,350.79 : 465,757.09 = 230,574.50 : x
  2. Step 2: Convert to fraction form
    310,350.79/465,757.09 = 230,574.50/x
  3. Step 3: Cross multiply
    310,350.79x = 465,757.09 × 230,574.50
  4. Step 4: Simplify right side
    310,350.79x = 107,391,706,989.57
  5. Step 5: Solve for x
    x = 107,391,706,989.57/310,350.79
  6. Step 6: Final answer
    x = 346,033.30

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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.