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Finding the Fourth Proportional to 227,710.70, 341,566.05 and 212,158.70

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Solution

The fourth proportional to 227,710.70, 341,566.05 and 212,158.70 is: 318,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,710.70 : 341,566.05 = 212,158.70 : x
  2. Step 2: Convert to fraction form
    227,710.70/341,566.05 = 212,158.70/x
  3. Step 3: Cross multiply
    227,710.70x = 341,566.05 × 212,158.70
  4. Step 4: Simplify right side
    227,710.70x = 72,466,209,132.14
  5. Step 5: Solve for x
    x = 72,466,209,132.14/227,710.70
  6. Step 6: Final answer
    x = 318,238.05

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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.