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Finding the Fourth Proportional to 441,815.88, 609,730.29 and 260,634

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Solution

The fourth proportional to 441,815.88, 609,730.29 and 260,634 is: 359,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,815.88 : 609,730.29 = 260,634 : x
  2. Step 2: Convert to fraction form
    441,815.88/609,730.29 = 260,634/x
  3. Step 3: Cross multiply
    441,815.88x = 609,730.29 × 260,634
  4. Step 4: Simplify right side
    441,815.88x = 158,916,444,403.86
  5. Step 5: Solve for x
    x = 158,916,444,403.86/441,815.88
  6. Step 6: Final answer
    x = 359,689.30

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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.