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Finding the Fourth Proportional to 194,633.60, 291,950.40 and 185,448.20

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Solution

The fourth proportional to 194,633.60, 291,950.40 and 185,448.20 is: 278,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,633.60 : 291,950.40 = 185,448.20 : x
  2. Step 2: Convert to fraction form
    194,633.60/291,950.40 = 185,448.20/x
  3. Step 3: Cross multiply
    194,633.60x = 291,950.40 × 185,448.20
  4. Step 4: Simplify right side
    194,633.60x = 54,141,676,169.28
  5. Step 5: Solve for x
    x = 54,141,676,169.28/194,633.60
  6. Step 6: Final answer
    x = 278,172.30

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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.