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Finding the Fourth Proportional to 200,480.40, 301,012.20 and 150,908.40

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Solution

The fourth proportional to 200,480.40, 301,012.20 and 150,908.40 is: 226,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,480.40 : 301,012.20 = 150,908.40 : x
  2. Step 2: Convert to fraction form
    200,480.40/301,012.20 = 150,908.40/x
  3. Step 3: Cross multiply
    200,480.40x = 301,012.20 × 150,908.40
  4. Step 4: Simplify right side
    200,480.40x = 45,425,269,482.48
  5. Step 5: Solve for x
    x = 45,425,269,482.48/200,480.40
  6. Step 6: Final answer
    x = 226,582.10

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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.