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Finding the Fourth Proportional to 606,147.08, 835,613.84 and 476,861.01

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Solution

The fourth proportional to 606,147.08, 835,613.84 and 476,861.01 is: 657,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,147.08 : 835,613.84 = 476,861.01 : x
  2. Step 2: Convert to fraction form
    606,147.08/835,613.84 = 476,861.01/x
  3. Step 3: Cross multiply
    606,147.08x = 835,613.84 × 476,861.01
  4. Step 4: Simplify right side
    606,147.08x = 398,471,657,328.07
  5. Step 5: Solve for x
    x = 398,471,657,328.07/606,147.08
  6. Step 6: Final answer
    x = 657,384.44

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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.