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Finding the Fourth Proportional to 273,654.90, 377,492.13 and 160,455.78

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Solution

The fourth proportional to 273,654.90, 377,492.13 and 160,455.78 is: 221,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,654.90 : 377,492.13 = 160,455.78 : x
  2. Step 2: Convert to fraction form
    273,654.90/377,492.13 = 160,455.78/x
  3. Step 3: Cross multiply
    273,654.90x = 377,492.13 × 160,455.78
  4. Step 4: Simplify right side
    273,654.90x = 60,570,794,163.01
  5. Step 5: Solve for x
    x = 60,570,794,163.01/273,654.90
  6. Step 6: Final answer
    x = 221,340.07

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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.