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Finding the Fourth Proportional to 629,903.07, 944,871 and 180,605.79

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Solution

The fourth proportional to 629,903.07, 944,871 and 180,605.79 is: 270,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,903.07 : 944,871 = 180,605.79 : x
  2. Step 2: Convert to fraction form
    629,903.07/944,871 = 180,605.79/x
  3. Step 3: Cross multiply
    629,903.07x = 944,871 × 180,605.79
  4. Step 4: Simplify right side
    629,903.07x = 170,649,173,403.09
  5. Step 5: Solve for x
    x = 170,649,173,403.09/629,903.07
  6. Step 6: Final answer
    x = 270,913.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.