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Finding the Fourth Proportional to 200,445.82, 300,457.53 and 74,005.10

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Solution

The fourth proportional to 200,445.82, 300,457.53 and 74,005.10 is: 110,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,445.82 : 300,457.53 = 74,005.10 : x
  2. Step 2: Convert to fraction form
    200,445.82/300,457.53 = 74,005.10/x
  3. Step 3: Cross multiply
    200,445.82x = 300,457.53 × 74,005.10
  4. Step 4: Simplify right side
    200,445.82x = 22,235,389,183.38
  5. Step 5: Solve for x
    x = 22,235,389,183.38/200,445.82
  6. Step 6: Final answer
    x = 110,929.67

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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.