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Finding the Fourth Proportional to 415,194.68, 573,011.06 and 254,156.15

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Solution

The fourth proportional to 415,194.68, 573,011.06 and 254,156.15 is: 350,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,194.68 : 573,011.06 = 254,156.15 : x
  2. Step 2: Convert to fraction form
    415,194.68/573,011.06 = 254,156.15/x
  3. Step 3: Cross multiply
    415,194.68x = 573,011.06 × 254,156.15
  4. Step 4: Simplify right side
    415,194.68x = 145,634,280,781.18
  5. Step 5: Solve for x
    x = 145,634,280,781.18/415,194.68
  6. Step 6: Final answer
    x = 350,761.44

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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.