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Finding the Fourth Proportional to 332,846.80, 498,655.80 and 310,728.40

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Solution

The fourth proportional to 332,846.80, 498,655.80 and 310,728.40 is: 465,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,846.80 : 498,655.80 = 310,728.40 : x
  2. Step 2: Convert to fraction form
    332,846.80/498,655.80 = 310,728.40/x
  3. Step 3: Cross multiply
    332,846.80x = 498,655.80 × 310,728.40
  4. Step 4: Simplify right side
    332,846.80x = 154,946,518,884.72
  5. Step 5: Solve for x
    x = 154,946,518,884.72/332,846.80
  6. Step 6: Final answer
    x = 465,519.03

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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.