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Finding the Fourth Proportional to 656,095.44, 905,478.60 and 401,614.80

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Solution

The fourth proportional to 656,095.44, 905,478.60 and 401,614.80 is: 554,269.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,095.44 : 905,478.60 = 401,614.80 : x
  2. Step 2: Convert to fraction form
    656,095.44/905,478.60 = 401,614.80/x
  3. Step 3: Cross multiply
    656,095.44x = 905,478.60 × 401,614.80
  4. Step 4: Simplify right side
    656,095.44x = 363,653,606,843.28
  5. Step 5: Solve for x
    x = 363,653,606,843.28/656,095.44
  6. Step 6: Final answer
    x = 554,269.37

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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.