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Finding the Fourth Proportional to 347,838.04, 480,002.80 and 196,935.04

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Solution

The fourth proportional to 347,838.04, 480,002.80 and 196,935.04 is: 271,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,838.04 : 480,002.80 = 196,935.04 : x
  2. Step 2: Convert to fraction form
    347,838.04/480,002.80 = 196,935.04/x
  3. Step 3: Cross multiply
    347,838.04x = 480,002.80 × 196,935.04
  4. Step 4: Simplify right side
    347,838.04x = 94,529,370,618.11
  5. Step 5: Solve for x
    x = 94,529,370,618.11/347,838.04
  6. Step 6: Final answer
    x = 271,762.60

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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.