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Finding the Fourth Proportional to 355,276.86, 532,893.42 and 118,599.72

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Solution

The fourth proportional to 355,276.86, 532,893.42 and 118,599.72 is: 177,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,276.86 : 532,893.42 = 118,599.72 : x
  2. Step 2: Convert to fraction form
    355,276.86/532,893.42 = 118,599.72/x
  3. Step 3: Cross multiply
    355,276.86x = 532,893.42 × 118,599.72
  4. Step 4: Simplify right side
    355,276.86x = 63,201,010,401.84
  5. Step 5: Solve for x
    x = 63,201,010,401.84/355,276.86
  6. Step 6: Final answer
    x = 177,892.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.