Home / 347,870.15-480,291.09-267,152.84

Finding the Fourth Proportional to 347,870.15, 480,291.09 and 267,152.84

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Solution

The fourth proportional to 347,870.15, 480,291.09 and 267,152.84 is: 368,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,870.15 : 480,291.09 = 267,152.84 : x
  2. Step 2: Convert to fraction form
    347,870.15/480,291.09 = 267,152.84/x
  3. Step 3: Cross multiply
    347,870.15x = 480,291.09 × 267,152.84
  4. Step 4: Simplify right side
    347,870.15x = 128,311,128,720.20
  5. Step 5: Solve for x
    x = 128,311,128,720.20/347,870.15
  6. Step 6: Final answer
    x = 368,847.77

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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.