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Finding the Fourth Proportional to 632,864.86, 873,319.86 and 346,329.59

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Solution

The fourth proportional to 632,864.86, 873,319.86 and 346,329.59 is: 477,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,864.86 : 873,319.86 = 346,329.59 : x
  2. Step 2: Convert to fraction form
    632,864.86/873,319.86 = 346,329.59/x
  3. Step 3: Cross multiply
    632,864.86x = 873,319.86 × 346,329.59
  4. Step 4: Simplify right side
    632,864.86x = 302,456,504,686.06
  5. Step 5: Solve for x
    x = 302,456,504,686.06/632,864.86
  6. Step 6: Final answer
    x = 477,916.42

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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.