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Finding the Fourth Proportional to 436,366.34, 602,181.78 and 245,375.66

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Solution

The fourth proportional to 436,366.34, 602,181.78 and 245,375.66 is: 338,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,366.34 : 602,181.78 = 245,375.66 : x
  2. Step 2: Convert to fraction form
    436,366.34/602,181.78 = 245,375.66/x
  3. Step 3: Cross multiply
    436,366.34x = 602,181.78 × 245,375.66
  4. Step 4: Simplify right side
    436,366.34x = 147,760,751,707.48
  5. Step 5: Solve for x
    x = 147,760,751,707.48/436,366.34
  6. Step 6: Final answer
    x = 338,616.29

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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.