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Finding the Fourth Proportional to 363,000.20, 544,062.90 and 185,415.80

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Solution

The fourth proportional to 363,000.20, 544,062.90 and 185,415.80 is: 277,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,000.20 : 544,062.90 = 185,415.80 : x
  2. Step 2: Convert to fraction form
    363,000.20/544,062.90 = 185,415.80/x
  3. Step 3: Cross multiply
    363,000.20x = 544,062.90 × 185,415.80
  4. Step 4: Simplify right side
    363,000.20x = 100,877,857,853.82
  5. Step 5: Solve for x
    x = 100,877,857,853.82/363,000.20
  6. Step 6: Final answer
    x = 277,900.28

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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.