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Finding the Fourth Proportional to 415,191.62, 573,006.76 and 254,153.08

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Solution

The fourth proportional to 415,191.62, 573,006.76 and 254,153.08 is: 350,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,191.62 : 573,006.76 = 254,153.08 : x
  2. Step 2: Convert to fraction form
    415,191.62/573,006.76 = 254,153.08/x
  3. Step 3: Cross multiply
    415,191.62x = 573,006.76 × 254,153.08
  4. Step 4: Simplify right side
    415,191.62x = 145,631,432,914.82
  5. Step 5: Solve for x
    x = 145,631,432,914.82/415,191.62
  6. Step 6: Final answer
    x = 350,757.16

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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.