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Finding the Fourth Proportional to 200,047.40, 299,763.90 and 173,628.20

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Solution

The fourth proportional to 200,047.40, 299,763.90 and 173,628.20 is: 260,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,047.40 : 299,763.90 = 173,628.20 : x
  2. Step 2: Convert to fraction form
    200,047.40/299,763.90 = 173,628.20/x
  3. Step 3: Cross multiply
    200,047.40x = 299,763.90 × 173,628.20
  4. Step 4: Simplify right side
    200,047.40x = 52,047,466,381.98
  5. Step 5: Solve for x
    x = 52,047,466,381.98/200,047.40
  6. Step 6: Final answer
    x = 260,175.67

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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.