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Finding the Fourth Proportional to 355,492.20, 533,043.90 and 144,892.20

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Solution

The fourth proportional to 355,492.20, 533,043.90 and 144,892.20 is: 217,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,492.20 : 533,043.90 = 144,892.20 : x
  2. Step 2: Convert to fraction form
    355,492.20/533,043.90 = 144,892.20/x
  3. Step 3: Cross multiply
    355,492.20x = 533,043.90 × 144,892.20
  4. Step 4: Simplify right side
    355,492.20x = 77,233,903,367.58
  5. Step 5: Solve for x
    x = 77,233,903,367.58/355,492.20
  6. Step 6: Final answer
    x = 217,259.07

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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.