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Finding the Fourth Proportional to 251,683.20, 377,524.80 and 242,006.40

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Solution

The fourth proportional to 251,683.20, 377,524.80 and 242,006.40 is: 363,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,683.20 : 377,524.80 = 242,006.40 : x
  2. Step 2: Convert to fraction form
    251,683.20/377,524.80 = 242,006.40/x
  3. Step 3: Cross multiply
    251,683.20x = 377,524.80 × 242,006.40
  4. Step 4: Simplify right side
    251,683.20x = 91,363,417,758.72
  5. Step 5: Solve for x
    x = 91,363,417,758.72/251,683.20
  6. Step 6: Final answer
    x = 363,009.60

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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.