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Finding the Fourth Proportional to 499,457.34, 749,198.16 and 162,498.96

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Solution

The fourth proportional to 499,457.34, 749,198.16 and 162,498.96 is: 243,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,457.34 : 749,198.16 = 162,498.96 : x
  2. Step 2: Convert to fraction form
    499,457.34/749,198.16 = 162,498.96/x
  3. Step 3: Cross multiply
    499,457.34x = 749,198.16 × 162,498.96
  4. Step 4: Simplify right side
    499,457.34x = 121,743,921,833.91
  5. Step 5: Solve for x
    x = 121,743,921,833.91/499,457.34
  6. Step 6: Final answer
    x = 243,752.39

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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.