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Finding the Fourth Proportional to 415,194.87, 573,011.22 and 254,156.34

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Solution

The fourth proportional to 415,194.87, 573,011.22 and 254,156.34 is: 350,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,194.87 : 573,011.22 = 254,156.34 : x
  2. Step 2: Convert to fraction form
    415,194.87/573,011.22 = 254,156.34/x
  3. Step 3: Cross multiply
    415,194.87x = 573,011.22 × 254,156.34
  4. Step 4: Simplify right side
    415,194.87x = 145,634,434,454.14
  5. Step 5: Solve for x
    x = 145,634,434,454.14/415,194.87
  6. Step 6: Final answer
    x = 350,761.64

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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.