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Finding the Fourth Proportional to 349,957.60, 482,941.36 and 190,981.60

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Solution

The fourth proportional to 349,957.60, 482,941.36 and 190,981.60 is: 263,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,957.60 : 482,941.36 = 190,981.60 : x
  2. Step 2: Convert to fraction form
    349,957.60/482,941.36 = 190,981.60/x
  3. Step 3: Cross multiply
    349,957.60x = 482,941.36 × 190,981.60
  4. Step 4: Simplify right side
    349,957.60x = 92,232,913,638.98
  5. Step 5: Solve for x
    x = 92,232,913,638.98/349,957.60
  6. Step 6: Final answer
    x = 263,554.54

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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.