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Finding the Fourth Proportional to 251,685.70, 377,528.55 and 242,008.90

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Solution

The fourth proportional to 251,685.70, 377,528.55 and 242,008.90 is: 363,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,685.70 : 377,528.55 = 242,008.90 : x
  2. Step 2: Convert to fraction form
    251,685.70/377,528.55 = 242,008.90/x
  3. Step 3: Cross multiply
    251,685.70x = 377,528.55 × 242,008.90
  4. Step 4: Simplify right side
    251,685.70x = 91,365,269,104.10
  5. Step 5: Solve for x
    x = 91,365,269,104.10/251,685.70
  6. Step 6: Final answer
    x = 363,013.35

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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.