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Finding the Fourth Proportional to 606,147.58, 835,614.53 and 476,861.51

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Solution

The fourth proportional to 606,147.58, 835,614.53 and 476,861.51 is: 657,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,147.58 : 835,614.53 = 476,861.51 : x
  2. Step 2: Convert to fraction form
    606,147.58/835,614.53 = 476,861.51/x
  3. Step 3: Cross multiply
    606,147.58x = 835,614.53 × 476,861.51
  4. Step 4: Simplify right side
    606,147.58x = 398,472,404,169.43
  5. Step 5: Solve for x
    x = 398,472,404,169.43/606,147.58
  6. Step 6: Final answer
    x = 657,385.13

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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.