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Finding the Fourth Proportional to 632,855.79, 873,337.82 and 342,467.15

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Solution

The fourth proportional to 632,855.79, 873,337.82 and 342,467.15 is: 472,602.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,855.79 : 873,337.82 = 342,467.15 : x
  2. Step 2: Convert to fraction form
    632,855.79/873,337.82 = 342,467.15/x
  3. Step 3: Cross multiply
    632,855.79x = 873,337.82 × 342,467.15
  4. Step 4: Simplify right side
    632,855.79x = 299,089,508,123.59
  5. Step 5: Solve for x
    x = 299,089,508,123.59/632,855.79
  6. Step 6: Final answer
    x = 472,602.94

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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.