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Finding the Fourth Proportional to 296,139.60, 444,209.40 and 201,661.20

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Solution

The fourth proportional to 296,139.60, 444,209.40 and 201,661.20 is: 302,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,139.60 : 444,209.40 = 201,661.20 : x
  2. Step 2: Convert to fraction form
    296,139.60/444,209.40 = 201,661.20/x
  3. Step 3: Cross multiply
    296,139.60x = 444,209.40 × 201,661.20
  4. Step 4: Simplify right side
    296,139.60x = 89,579,800,655.28
  5. Step 5: Solve for x
    x = 89,579,800,655.28/296,139.60
  6. Step 6: Final answer
    x = 302,491.80

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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.