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Finding the Fourth Proportional to 347,874.65, 480,297.30 and 267,157.34

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Solution

The fourth proportional to 347,874.65, 480,297.30 and 267,157.34 is: 368,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,874.65 : 480,297.30 = 267,157.34 : x
  2. Step 2: Convert to fraction form
    347,874.65/480,297.30 = 267,157.34/x
  3. Step 3: Cross multiply
    347,874.65x = 480,297.30 × 267,157.34
  4. Step 4: Simplify right side
    347,874.65x = 128,314,949,077.18
  5. Step 5: Solve for x
    x = 128,314,949,077.18/347,874.65
  6. Step 6: Final answer
    x = 368,853.98

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1.5x scale

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.