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Finding the Fourth Proportional to 499,639.70, 749,200.35 and 183,934.10

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Solution

The fourth proportional to 499,639.70, 749,200.35 and 183,934.10 is: 275,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,639.70 : 749,200.35 = 183,934.10 : x
  2. Step 2: Convert to fraction form
    499,639.70/749,200.35 = 183,934.10/x
  3. Step 3: Cross multiply
    499,639.70x = 749,200.35 × 183,934.10
  4. Step 4: Simplify right side
    499,639.70x = 137,803,492,096.94
  5. Step 5: Solve for x
    x = 137,803,492,096.94/499,639.70
  6. Step 6: Final answer
    x = 275,805.73

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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.