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Finding the Fourth Proportional to 283,518.80, 424,840.80 and 245,902.40

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Solution

The fourth proportional to 283,518.80, 424,840.80 and 245,902.40 is: 368,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,518.80 : 424,840.80 = 245,902.40 : x
  2. Step 2: Convert to fraction form
    283,518.80/424,840.80 = 245,902.40/x
  3. Step 3: Cross multiply
    283,518.80x = 424,840.80 × 245,902.40
  4. Step 4: Simplify right side
    283,518.80x = 104,469,372,337.92
  5. Step 5: Solve for x
    x = 104,469,372,337.92/283,518.80
  6. Step 6: Final answer
    x = 368,474.23

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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.