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Finding the Fourth Proportional to 632,830.39, 873,308.23 and 342,441.93

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Solution

The fourth proportional to 632,830.39, 873,308.23 and 342,441.93 is: 472,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,830.39 : 873,308.23 = 342,441.93 : x
  2. Step 2: Convert to fraction form
    632,830.39/873,308.23 = 342,441.93/x
  3. Step 3: Cross multiply
    632,830.39x = 873,308.23 × 342,441.93
  4. Step 4: Simplify right side
    632,830.39x = 299,057,355,198.76
  5. Step 5: Solve for x
    x = 299,057,355,198.76/632,830.39
  6. Step 6: Final answer
    x = 472,571.10

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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.