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Finding the Fourth Proportional to 594,992, 821,006.33 and 349,987.86

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Solution

The fourth proportional to 594,992, 821,006.33 and 349,987.86 is: 482,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,992 : 821,006.33 = 349,987.86 : x
  2. Step 2: Convert to fraction form
    594,992/821,006.33 = 349,987.86/x
  3. Step 3: Cross multiply
    594,992x = 821,006.33 × 349,987.86
  4. Step 4: Simplify right side
    594,992x = 287,342,248,483.15
  5. Step 5: Solve for x
    x = 287,342,248,483.15/594,992
  6. Step 6: Final answer
    x = 482,934.64

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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.