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Finding the Fourth Proportional to 227,820.60, 341,730.90 and 216,934.20

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Solution

The fourth proportional to 227,820.60, 341,730.90 and 216,934.20 is: 325,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,820.60 : 341,730.90 = 216,934.20 : x
  2. Step 2: Convert to fraction form
    227,820.60/341,730.90 = 216,934.20/x
  3. Step 3: Cross multiply
    227,820.60x = 341,730.90 × 216,934.20
  4. Step 4: Simplify right side
    227,820.60x = 74,133,119,406.78
  5. Step 5: Solve for x
    x = 74,133,119,406.78/227,820.60
  6. Step 6: Final answer
    x = 325,401.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.