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Finding the Fourth Proportional to 436,843.95, 602,613.44 and 300,641.43

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Solution

The fourth proportional to 436,843.95, 602,613.44 and 300,641.43 is: 414,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,843.95 : 602,613.44 = 300,641.43 : x
  2. Step 2: Convert to fraction form
    436,843.95/602,613.44 = 300,641.43/x
  3. Step 3: Cross multiply
    436,843.95x = 602,613.44 × 300,641.43
  4. Step 4: Simplify right side
    436,843.95x = 181,170,566,338.82
  5. Step 5: Solve for x
    x = 181,170,566,338.82/436,843.95
  6. Step 6: Final answer
    x = 414,726.05

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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.