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Finding the Fourth Proportional to 348,709.16, 481,094.88 and 227,920.20

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Solution

The fourth proportional to 348,709.16, 481,094.88 and 227,920.20 is: 314,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,709.16 : 481,094.88 = 227,920.20 : x
  2. Step 2: Convert to fraction form
    348,709.16/481,094.88 = 227,920.20/x
  3. Step 3: Cross multiply
    348,709.16x = 481,094.88 × 227,920.20
  4. Step 4: Simplify right side
    348,709.16x = 109,651,241,268.58
  5. Step 5: Solve for x
    x = 109,651,241,268.58/348,709.16
  6. Step 6: Final answer
    x = 314,448.98

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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.