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Finding the Fourth Proportional to 295,638.10, 443,457.15 and 201,159.70

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Solution

The fourth proportional to 295,638.10, 443,457.15 and 201,159.70 is: 301,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,638.10 : 443,457.15 = 201,159.70 : x
  2. Step 2: Convert to fraction form
    295,638.10/443,457.15 = 201,159.70/x
  3. Step 3: Cross multiply
    295,638.10x = 443,457.15 × 201,159.70
  4. Step 4: Simplify right side
    295,638.10x = 89,205,707,256.86
  5. Step 5: Solve for x
    x = 89,205,707,256.86/295,638.10
  6. Step 6: Final answer
    x = 301,739.55

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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.