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Finding the Fourth Proportional to 442,906.80, 611,208.36 and 241,702.80

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Solution

The fourth proportional to 442,906.80, 611,208.36 and 241,702.80 is: 333,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,906.80 : 611,208.36 = 241,702.80 : x
  2. Step 2: Convert to fraction form
    442,906.80/611,208.36 = 241,702.80/x
  3. Step 3: Cross multiply
    442,906.80x = 611,208.36 × 241,702.80
  4. Step 4: Simplify right side
    442,906.80x = 147,730,771,995.41
  5. Step 5: Solve for x
    x = 147,730,771,995.41/442,906.80
  6. Step 6: Final answer
    x = 333,548.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.