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Finding the Fourth Proportional to 347,873.65, 480,295.92 and 267,156.34

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Solution

The fourth proportional to 347,873.65, 480,295.92 and 267,156.34 is: 368,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,873.65 : 480,295.92 = 267,156.34 : x
  2. Step 2: Convert to fraction form
    347,873.65/480,295.92 = 267,156.34/x
  3. Step 3: Cross multiply
    347,873.65x = 480,295.92 × 267,156.34
  4. Step 4: Simplify right side
    347,873.65x = 128,314,100,104.13
  5. Step 5: Solve for x
    x = 128,314,100,104.13/347,873.65
  6. Step 6: Final answer
    x = 368,852.60

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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.