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Finding the Fourth Proportional to 556,651.20, 835,171.20 and 201,676.80

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Solution

The fourth proportional to 556,651.20, 835,171.20 and 201,676.80 is: 302,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,651.20 : 835,171.20 = 201,676.80 : x
  2. Step 2: Convert to fraction form
    556,651.20/835,171.20 = 201,676.80/x
  3. Step 3: Cross multiply
    556,651.20x = 835,171.20 × 201,676.80
  4. Step 4: Simplify right side
    556,651.20x = 168,434,655,068.16
  5. Step 5: Solve for x
    x = 168,434,655,068.16/556,651.20
  6. Step 6: Final answer
    x = 302,585.63

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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.