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Finding the Fourth Proportional to 227,602.20, 341,403.30 and 69,830.40

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Solution

The fourth proportional to 227,602.20, 341,403.30 and 69,830.40 is: 104,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,602.20 : 341,403.30 = 69,830.40 : x
  2. Step 2: Convert to fraction form
    227,602.20/341,403.30 = 69,830.40/x
  3. Step 3: Cross multiply
    227,602.20x = 341,403.30 × 69,830.40
  4. Step 4: Simplify right side
    227,602.20x = 23,840,329,000.32
  5. Step 5: Solve for x
    x = 23,840,329,000.32/227,602.20
  6. Step 6: Final answer
    x = 104,745.60

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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.