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Finding the Fourth Proportional to 499,445.16, 748,817.76 and 183,861.12

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Solution

The fourth proportional to 499,445.16, 748,817.76 and 183,861.12 is: 275,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,445.16 : 748,817.76 = 183,861.12 : x
  2. Step 2: Convert to fraction form
    499,445.16/748,817.76 = 183,861.12/x
  3. Step 3: Cross multiply
    499,445.16x = 748,817.76 × 183,861.12
  4. Step 4: Simplify right side
    499,445.16x = 137,678,472,029.49
  5. Step 5: Solve for x
    x = 137,678,472,029.49/499,445.16
  6. Step 6: Final answer
    x = 275,662.84

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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.